Boardgamegeek https://boardgamegeek.com/boardgameexpansion/92898/innovation-echoes-past
English - Innovation: Echoes of the Past is an expansion for Carl Chudyk's Innovation, released in 2010, that mirrors the construction of the earlier game as both include 110 cards, 105 cards that are divided into different decks (labeled age 1 to age 10).
Official https://www.iello.fr/fr/fiche/innovation-echoes
French - Ajoutez 105 inventions inédites et des nouveaux effets persistants pour des combos encore plus surprenants !
Ludovox http://ludovox.fr/jeu-de-societe/innovation-echoes-of-the-past-5671/
French - La première extension pour Innovation !