http://www.computer-magazine-scans.org/magazines/zzap64/zzap032/zzapgelfpg.jpg
http://www.computer-magazine-scans.org/magazines/zzap64/zzap032/zzapgelfph.jpg
https://amr.abime.net/amr_popup_picture.php?src=cu_amiga/magscans/cu_1987_12/042.jpg&c=78553
https://www.gamesdatabase.org/Media/SYSTEM/Commodore_64//Manual/formated/Maniac_Mansion_-_1987_-_LucasArts_-_Lucasfilm.pdf
https://csdb.dk/release/?id=97811
https://www.c64-wiki.com/wiki/Maniac_Mansion#Trivia