Unofficial LEGO Sets/Parts Collectors Guide - The first LEGO Advent Calendar has always presumed to be the #1298 of 1998 that sold only in USA/Canada. However today my Swedish LEGO collector friend
1992 LEGO Catalog 2 EN - LEGO instructions and catalogs library
FlashbackFriday – 1992
Celebrating 40 years of the LEGO Minifigure - Old minifigures' advertisement (1990-1992) - Frontpage News - Eurobricks Forums
USA 1992 - Lego Catalogue - Old InstructionsOld Instructions