You can do simple searches using this form:
Type | Originator | Title | Date |
---|---|---|---|
Lavaur,G.de | Caves and Cave Diving | 1956 | |
Bretz,J.H | Caves of Missouri | 1956 | |
Jimenez,A.Nunez | Cuevas y Pictografias | 1956 | |
Folsom,F | Exploring American Caves | 1956 | |
HMSO | Palaeontological & Lith.Divs.of The Lower Tert.LS. of Jamaica | 1956 | |
Kuhn,H | Rock Pictures of Europe | 1956 | |
Balzuac,J | Speleologie du Departement de L'Ardeche | 1956 | |
Kuhn,H | The Rock Pictures of Europe | 1956 | |
Soc.Venezolana de Ciencias Naturale (Boletin 17(85),pp.25-46) | la Espeleologia en Venezuela, Flora Y Fauna Hipogea | 1956 | |
Gaceta Medica, Venezuela | la Histoplasmosis en Venezuela | 1956 |