diff --git a/examples/parameter_example.yml b/examples/parameter_example.yml
index 23ee3f49fc30b9db54ebfa1babeefd4cb12e50bb..4bbe69914c7f7a256b06bc41ccd7c26f5fd64ba3 100644
--- a/examples/parameter_example.yml
+++ b/examples/parameter_example.yml
@@ -261,6 +261,8 @@ EoS:
   planetary_SESAME_water_table_file:        ./EoSTables/SESAME_water_7154.txt
   planetary_SS08_water_table_file:          ./EoSTables/SS08_water.txt
   planetary_ANEOS_forsterite_table_file:    ./EoSTables/ANEOS_forsterite_S19.txt
+  planetary_ANEOS_iron_table_file:          ./EoSTables/ANEOS_iron_S20.txt
+  planetary_ANEOS_Fe85Si15_table_file:      ./EoSTables/ANEOS_Fe85Si15_S20.txt
 
 # Parameters related to external potentials --------------------------------------------
 
diff --git a/src/equation_of_state/planetary/equation_of_state.h b/src/equation_of_state/planetary/equation_of_state.h
index d6ba4278a199c321eccf6fc18fbc511463c28c43..7e6260758e323ff6805a3c1b06a8aa1808820544 100644
--- a/src/equation_of_state/planetary/equation_of_state.h
+++ b/src/equation_of_state/planetary/equation_of_state.h
@@ -125,6 +125,14 @@ enum eos_planetary_material_id {
   /*! ANEOS forsterite (Stewart et al. 2019) -- in SESAME-style tables */
   eos_planetary_id_ANEOS_forsterite =
       eos_planetary_type_ANEOS * eos_planetary_type_factor,
+
+  /*! ANEOS iron (Stewart 2020) -- in SESAME-style tables */
+  eos_planetary_id_ANEOS_iron =
+      eos_planetary_type_ANEOS * eos_planetary_type_factor + 1,
+
+  /*! ANEOS Fe85Si15 (Stewart 2020) -- in SESAME-style tables */
+  eos_planetary_id_ANEOS_Fe85Si15 =
+      eos_planetary_type_ANEOS * eos_planetary_type_factor + 2,
 };
 
 /* Individual EOS function headers. */
@@ -138,7 +146,8 @@ enum eos_planetary_material_id {
 struct eos_parameters {
   struct Til_params Til_iron, Til_granite, Til_water, Til_basalt;
   struct HM80_params HM80_HHe, HM80_ice, HM80_rock;
-  struct SESAME_params SESAME_iron, SESAME_basalt, SESAME_water, SS08_water, ANEOS_forsterite;
+  struct SESAME_params SESAME_iron, SESAME_basalt, SESAME_water, SS08_water;
+  struct SESAME_params ANEOS_forsterite, ANEOS_iron, ANEOS_Fe85Si15;
 };
 
 /**
@@ -254,6 +263,16 @@ gas_internal_energy_from_entropy(float density, float entropy,
           return SESAME_internal_energy_from_entropy(density, entropy,
                                                      &eos.ANEOS_forsterite);
           break;
+          
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_internal_energy_from_entropy(density, entropy,
+                                                     &eos.ANEOS_iron);
+          break;
+          
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_internal_energy_from_entropy(density, entropy,
+                                                     &eos.ANEOS_Fe85Si15);
+          break;
 
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
@@ -372,6 +391,16 @@ __attribute__((always_inline)) INLINE static float gas_pressure_from_entropy(
           return SESAME_pressure_from_entropy(density, entropy,
                                               &eos.ANEOS_forsterite);
           break;
+          
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_pressure_from_entropy(density, entropy,
+                                              &eos.ANEOS_iron);
+          break;
+          
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_pressure_from_entropy(density, entropy,
+                                              &eos.ANEOS_Fe85Si15);
+          break;
 
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
@@ -487,6 +516,14 @@ __attribute__((always_inline)) INLINE static float gas_entropy_from_pressure(
           return SESAME_entropy_from_pressure(density, P, &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_entropy_from_pressure(density, P, &eos.ANEOS_iron);
+          break;
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_entropy_from_pressure(density, P, &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -606,6 +643,16 @@ __attribute__((always_inline)) INLINE static float gas_soundspeed_from_entropy(
                                                 &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_soundspeed_from_entropy(density, entropy,
+                                                &eos.ANEOS_iron);
+          break;
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_soundspeed_from_entropy(density, entropy,
+                                                &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -724,6 +771,16 @@ gas_entropy_from_internal_energy(float density, float u,
                                                      &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_entropy_from_internal_energy(density, u,
+                                                     &eos.ANEOS_iron);
+          break;
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_entropy_from_internal_energy(density, u,
+                                                     &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -844,6 +901,16 @@ gas_pressure_from_internal_energy(float density, float u,
                                                       &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_pressure_from_internal_energy(density, u,
+                                                      &eos.ANEOS_iron);
+          break;
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_pressure_from_internal_energy(density, u,
+                                                      &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -967,6 +1034,16 @@ gas_internal_energy_from_pressure(float density, float P,
                                                       &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_internal_energy_from_pressure(density, P,
+                                                      &eos.ANEOS_iron);
+          break;
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_internal_energy_from_pressure(density, P,
+                                                      &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -1092,6 +1169,16 @@ gas_soundspeed_from_internal_energy(float density, float u,
                                                         &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_soundspeed_from_internal_energy(density, u,
+                                                        &eos.ANEOS_iron);
+          break;
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_soundspeed_from_internal_energy(density, u,
+                                                        &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -1206,6 +1293,15 @@ __attribute__((always_inline)) INLINE static float gas_soundspeed_from_pressure(
           return SESAME_soundspeed_from_pressure(density, P, &eos.ANEOS_forsterite);
           break;
 
+        case eos_planetary_id_ANEOS_iron:
+          return SESAME_soundspeed_from_pressure(density, P, &eos.ANEOS_iron);
+          break;
+
+
+        case eos_planetary_id_ANEOS_Fe85Si15:
+          return SESAME_soundspeed_from_pressure(density, P, &eos.ANEOS_Fe85Si15);
+          break;
+
         default:
           error("Unknown material ID! mat_id = %d", mat_id);
           return 0.f;
@@ -1237,6 +1333,8 @@ __attribute__((always_inline)) INLINE static void eos_init(
   char SESAME_water_table_file[PARSER_MAX_LINE_SIZE];
   char SS08_water_table_file[PARSER_MAX_LINE_SIZE];
   char ANEOS_forsterite_table_file[PARSER_MAX_LINE_SIZE];
+  char ANEOS_iron_table_file[PARSER_MAX_LINE_SIZE];
+  char ANEOS_Fe85Si15_table_file[PARSER_MAX_LINE_SIZE];
 
   // Set the parameters and material IDs, load tables, etc. for each material
   // and convert to internal units
@@ -1314,15 +1412,27 @@ __attribute__((always_inline)) INLINE static void eos_init(
   // ANEOS -- using SESAME-style tables
   if (parser_get_opt_param_int(params, "EoS:planetary_use_ANEOS", 0)) {
     set_ANEOS_forsterite(&e->ANEOS_forsterite, eos_planetary_id_ANEOS_forsterite);
+    set_ANEOS_iron(&e->ANEOS_iron, eos_planetary_id_ANEOS_iron);
+    set_ANEOS_Fe85Si15(&e->ANEOS_Fe85Si15, eos_planetary_id_ANEOS_Fe85Si15);
 
     parser_get_param_string(params, "EoS:planetary_ANEOS_forsterite_table_file",
                             ANEOS_forsterite_table_file);
+    parser_get_param_string(params, "EoS:planetary_ANEOS_iron_table_file",
+                            ANEOS_iron_table_file);
+    parser_get_param_string(params, "EoS:planetary_ANEOS_Fe85Si15_table_file",
+                            ANEOS_Fe85Si15_table_file);
 
     load_table_SESAME(&e->ANEOS_forsterite, ANEOS_forsterite_table_file);
+    load_table_SESAME(&e->ANEOS_iron, ANEOS_iron_table_file);
+    load_table_SESAME(&e->ANEOS_Fe85Si15, ANEOS_Fe85Si15_table_file);
 
     prepare_table_SESAME(&e->ANEOS_forsterite);
+    prepare_table_SESAME(&e->ANEOS_iron);
+    prepare_table_SESAME(&e->ANEOS_Fe85Si15);
 
     convert_units_SESAME(&e->ANEOS_forsterite, us);
+    convert_units_SESAME(&e->ANEOS_iron, us);
+    convert_units_SESAME(&e->ANEOS_Fe85Si15, us);
   }
 }
 
diff --git a/src/equation_of_state/planetary/sesame.h b/src/equation_of_state/planetary/sesame.h
index d49ca15828ea459647c2d8339ed1d80936f93c34..cb62342c055ce9d1d3c14bf066799214123464aa 100644
--- a/src/equation_of_state/planetary/sesame.h
+++ b/src/equation_of_state/planetary/sesame.h
@@ -23,11 +23,9 @@
 /**
  * @file equation_of_state/planetary/sesame.h
  *
- * Contains the SESAME EOS functions for
+ * Contains the SESAME and ANEOS-in-SESAME-style EOS functions for
  * equation_of_state/planetary/equation_of_state.h
  *
- *              WORK IN PROGRESS!
- *
  */
 
 /* Some standard headers. */
@@ -81,6 +79,16 @@ INLINE static void set_ANEOS_forsterite(struct SESAME_params *mat,
   // Stewart et al. (2019)
   mat->mat_id = mat_id;
 }
+INLINE static void set_ANEOS_iron(struct SESAME_params *mat,
+                                  enum eos_planetary_material_id mat_id) {
+  // Stewart (2020)
+  mat->mat_id = mat_id;
+}
+INLINE static void set_ANEOS_Fe85Si15(struct SESAME_params *mat,
+                                      enum eos_planetary_material_id mat_id) {
+  // Stewart (2020)
+  mat->mat_id = mat_id;
+}
 
 // Read the tables from file
 INLINE static void load_table_SESAME(struct SESAME_params *mat,