- Artner 1995b
- Welt-Erstnachzucht der Fujian-Sumpfschildkröte, Mauremys iversoni. EMYS, Vereinszeitschrift der Schildkrötenfreunde Österreich: 2(4/2): 5.
- , 1993
- Werbeverhalten von Phrynops hilarii. Salamandra 29(3/4): 161-166.
- Burbidge, Kuchling 1994
- Western Swamp Tortoise Recovery plan. Western Australian Wildlife Management Program No. 11, CALM, Perth, 29 pp.
- Felger 1976
- Winter dormancy in sea turtles: independent discovery and exploitation in the Gulf of California by two local cultures. Science 191: 283-285.
- , Hellmich 1936
- Wissenschaftliche Ergebnisse der Deutschen Gran Chaco-Expedition (Leiter: Professor Dr. Hans Krieg, München). Amphibien und Reptilien. I. Teil: Amphibia, Chelonia, Loricata. Strecker und Schröder, Stuttgart. 120 pp.
- Ernst, McBreen 1991c
- Wood turtle. Clemmys insculpta (LeConte). In: K. Terwilliger (ed.), Virginia's endangered species, pp. 455-457. McDonald and Woodward Publ. Co., Blacksburg, Virginia.
- Whitaker 1983
- World's rarest turtle (we think) lays eggs in captivity. Hamadryad 8(1): 13.
- Spotila 1996
- Worldwide population decline of Dermochelys coriacea: are leatherback turtles going extinct? Chelonian Conserv. Boil. 2(2): 209-222.
- Kaufmann 1989
- Worm stomping by wood turtles revisited. Bull. Chicago Herpetol. Soc. 24: 125-126.