Pond Life: A Guide to Common Plants and Animals of North American Ponds and Lakes (Golden Guide)
Reid, George K./Latimer, Jonathan P./Nolting, Karen Stray/Brooks, John L./Zim, Herbert Spencer/Fichter, George S./Zim, Herbert Spencer/Fichter, George S./Kaicher, Sally D./Dolan, Tom
Speiseroehre Magen Darm (Die Praxis der Chirurgie)
ReMine, William H./Payne, W. Spencer/Heerden, Jon A. van/Welch, Claude E./Ottinger, Leslie W./Welch, John P./Mueller, Goetz/Hosmer, F.E./Tagrin, E./Galla, R.J.