Kolmarden Zoo guide Sweden 1976 EARLY ED/VERY RARE/HIGHLY COLLECTABLE/SEE TEXT

Not zoo guide European Studbook for Orang-utan 2008 RARE/COLLECTORS ITEM/SEETEXT

Chemnitz Zoo guide book Germany 1991 RARE/HISTORIC/HIGHLY COLLECTABLE/SEE TEXT

Helsinki Zoo guide book 1970 ENGLISH ED/RARE/HISTORIC/HIGHLY COLLECTABLE/SEETEXT

The OLD Emmen Zoo guide 1999 ENGLISH ED/RARE/HISTORIC/HIGHLY COLLECTABLE/SEETEXT

Higashiyama Zoo Vivarium Japan zoo guide 2010 RARE/HISTORIC/COLLECTABLE/SEE TEXT

Rostov-on-Don Zoo guide 1964 OLDUSSR/VERYRARE/HISTORIC/HIGHLYCOLLECTABLE/SEETEXT

Vienna Zoo guide book 2000 ENGLISH ED/RARE/HISTORIC/HIGHLY COLLECTABLE/SEE TEXT