Manga (Matsui Yusei, TRANS. Mach 20 Scans, VIZ Media)

Anime (Lerche, TRANS. Funimation)

Character Databook: Roll Book Time (Matsui Yusei)

Graduation Album (Matsui Yusei)

Character profiles, Roll book Time (TRANS. ansatsu-database, tumblr)

Character profiles, Graduation Album Time (TRANS. irraydiance, tumblr)

Personal Histories, Graduation Album Time (TRANS. irraydiance, tumblr)

Final exams breakdown, Graduation Album Time (TRANS. irraydiance, tumblr)

Valentine's chocolate breakdown, Graduation Album Time (TRANS. irraydiance, tumblr)

Matsui's notes, Switch Interview, NHK (TRANS. irraydiance, tumblr)

Korotan A (TRANS. greengargouille, tumblr)

Korotan B (TRANS. blazardragon, tumblr)

Korotan C (TRANS. blazardragon, tumblr)

Korotan D (TRANS. blazardragon, tumblr)

Karma's chapter, Graduation Album Time (TRANS. blazardragon)

Map of Kunugigaoka, Roll Book Time (TRANS. blazardragon, tumblr)

3-E's previous club activities, Roll Book Time (TRANS. blazardragon, tumblr)

Catalogue of background characters, Graduation Album Time (TRANS. blazardragon, tumblr)

3-E's LINE chats, Roll Book Time (TRANS. tuulikannel, tumblr)

Character and duo appearance ranking, Roll Book Time

Korosuu (TRANS. clownao, fumiko-matsubara, tumblr)

Assassination Classroom Enclosure Time wiki, Gamerch

Booklet Limitation Inaterviews, DVD Vol 6 (Kimura Subaru, Saito Fuko, Yoshiyuki Shimozuma, Harasawa Koki)

Kishi Seiji and Uezu Makoto on Ansatsu Kyoushitsu, interview with directors (TRANS. Comic Natalie, Wordpress)