diff --git a/app/controllers/entities_controller.rb b/app/controllers/entities_controller.rb
index 14787c7..ef5d5c2 100644
--- a/app/controllers/entities_controller.rb
+++ b/app/controllers/entities_controller.rb
@@ -43,7 +43,7 @@ def show
 
   # GET /entities/autocomplete?search=*
   def autocomplete
-    query = strip_tags params[:searcn]
+    query = strip_tags params[:search]
     render json: Entity.search(
       query,
       fields: [:clean_label],
diff --git a/app/models/published_entity.rb b/app/models/published_entity.rb
index 2b00d75..38d2b50 100644
--- a/app/models/published_entity.rb
+++ b/app/models/published_entity.rb
@@ -6,6 +6,8 @@ class PublishedEntity < ApplicationRecord
 
   self.table_name = 'entities'
 
+  has_many :letters, -> { where(published: true).order('letters.date') }, through: :mentions, source: :letter
+
   def self.default_scope
     where(published: true)
   end
diff --git a/app/views/entities/letters.json.jbuilder b/app/views/entities/letters.json.jbuilder
index 5c6f5de..3df1992 100644
--- a/app/views/entities/letters.json.jbuilder
+++ b/app/views/entities/letters.json.jbuilder
@@ -5,12 +5,12 @@ json.set! 'max_date', @max_date&.strftime('%Y-%m-%d')
 json.set! 'total_pages', @letters.total_pages
 
 json.letters do
-  @letters.each do |letter|
+  @letters.select(&:published).each do |letter|
     json.child! do
       json.set! 'id', letter.id
       json.set! 'label', letter.label
       json.set! 'recipient', letter.recipients.map(&:label).to_sentence
-      json.set! 'repository', letter.repositories.map(&:label).to_sentence
+      json.set! 'repository', letter.repositories.select(&:published).map(&:label).to_sentence
       json.set! 'date', letter.date&.strftime('%d %B %Y')
       next unless @relation == 'mention'