diff --git a/src/db/db_cache.rs b/src/db/db_cache.rs
index 81ce106..5aed42a 100644
--- a/src/db/db_cache.rs
+++ b/src/db/db_cache.rs
@@ -7,6 +7,7 @@ pub struct RuntimeFieldsValues {
     pub list_of_levels: Vec<String>,
     pub list_of_families: Vec<String>,
     pub list_of_traits: Vec<String>,
+    pub list_of_sources: Vec<String>,
     pub list_of_alignments: Vec<String>,
     pub list_of_sizes: Vec<String>,
     pub list_of_rarities: Vec<String>,
@@ -25,6 +26,7 @@ pub fn from_db_data_to_filter_cache(
             list_of_levels: runtime_fields.list_of_levels.clone(),
             list_of_families: runtime_fields.list_of_families.clone(),
             list_of_traits: runtime_fields.list_of_traits.clone(),
+            list_of_sources: runtime_fields.list_of_sources.clone(),
             list_of_alignments: runtime_fields.list_of_alignments.clone(),
             list_of_sizes: runtime_fields.list_of_sizes.clone(),
             list_of_rarities: runtime_fields.list_of_rarities.clone(),
@@ -62,6 +64,14 @@ pub fn from_db_data_to_filter_cache(
             }
         });
 
+        curr_creature.sources.iter().for_each(|single_source| {
+            if !fields_values_cache.list_of_sources.contains(single_source) {
+                fields_values_cache
+                    .list_of_sources
+                    .push(single_source.to_string())
+            }
+        });
+
         if !fields_values_cache.list_of_alignments.contains(&alignment) {
             fields_values_cache.list_of_alignments.push(alignment);
         }
diff --git a/src/db/db_communicator.rs b/src/db/db_communicator.rs
index 365a7ea..7437159 100644
--- a/src/db/db_communicator.rs
+++ b/src/db/db_communicator.rs
@@ -84,9 +84,7 @@ async fn from_raw_to_creature(conn: &Pool<Sqlite>, raw: &RawCreature) -> Creatur
 }
 
 pub async fn fetch_creatures(conn: &Pool<Sqlite>) -> Result<Vec<Creature>, Error> {
-    let creatures = sqlx::query_as::<_, RawCreature>(
-        "SELECT * FROM CREATURE_TABLE ORDER BY name"
-    )
+    let creatures = sqlx::query_as::<_, RawCreature>("SELECT * FROM CREATURE_TABLE ORDER BY name")
         .fetch_all(conn)
         .await;
     match creatures {
diff --git a/src/db/db_proxy.rs b/src/db/db_proxy.rs
index 2a9a54d..309293e 100644
--- a/src/db/db_proxy.rs
+++ b/src/db/db_proxy.rs
@@ -116,6 +116,7 @@ pub async fn get_keys(app_state: &AppState, field: CreatureField) -> Vec<String>
             CreatureField::SpellCaster => vec![true.to_string(), false.to_string()],
             CreatureField::Family => runtime_fields_values.list_of_families,
             CreatureField::Traits => runtime_fields_values.list_of_traits,
+            CreatureField::Sources => runtime_fields_values.list_of_sources,
             CreatureField::Alignment => runtime_fields_values.list_of_alignments,
             CreatureField::Level => runtime_fields_values.list_of_levels,
             CreatureField::CreatureTypes => runtime_fields_values.list_of_creature_types,
diff --git a/src/routes/bestiary.rs b/src/routes/bestiary.rs
index e6942db..668ac15 100644
--- a/src/routes/bestiary.rs
+++ b/src/routes/bestiary.rs
@@ -19,6 +19,7 @@ pub fn init_endpoints(cfg: &mut web::ServiceConfig) {
             .service(get_creature)
             .service(get_families_list)
             .service(get_traits_list)
+            .service(get_sources_list)
             .service(get_rarities_list)
             .service(get_creature_types_list)
             .service(get_sizes_list)
@@ -33,6 +34,7 @@ pub fn init_docs(doc: &mut utoipa::openapi::OpenApi) {
             get_bestiary,
             get_families_list,
             get_traits_list,
+            get_sources_list,
             get_rarities_list,
             get_sizes_list,
             get_alignments_list,
@@ -112,6 +114,23 @@ pub async fn get_traits_list(data: web::Data<AppState>) -> Result<impl Responder
     Ok(web::Json(bestiary_service::get_traits_list(&data).await))
 }
 
+#[utoipa::path(
+    get,
+    path = "/bestiary/sources",
+    tag = "bestiary",
+    params(
+
+    ),
+    responses(
+        (status=200, description = "Successful Response", body = [String]),
+        (status=400, description = "Bad request.")
+    ),
+)]
+#[get("/sources")]
+pub async fn get_sources_list(data: web::Data<AppState>) -> Result<impl Responder> {
+    Ok(web::Json(bestiary_service::get_sources_list(&data).await))
+}
+
 #[utoipa::path(
     get,
     path = "/bestiary/rarities",
diff --git a/src/services/bestiary_service.rs b/src/services/bestiary_service.rs
index 1f931eb..5e4b886 100644
--- a/src/services/bestiary_service.rs
+++ b/src/services/bestiary_service.rs
@@ -52,6 +52,10 @@ pub async fn get_traits_list(app_state: &AppState) -> Vec<String> {
     db_proxy::get_keys(app_state, CreatureField::Traits).await
 }
 
+pub async fn get_sources_list(app_state: &AppState) -> Vec<String> {
+    db_proxy::get_keys(app_state, CreatureField::Sources).await
+}
+
 pub async fn get_rarities_list(app_state: &AppState) -> Vec<String> {
     db_proxy::get_keys(app_state, CreatureField::Rarity).await
 }