You can do simple searches using this form:
Type | Originator | Title | Date |
---|---|---|---|
Gorges du Tarn | 1939 | ||
Kaisin,F & Pierpont,E | Hydrogeologie des Calcaires de Belg1que | 1939 | |
Boyle,M.E | Man Before History | 1939 | |
Crestani,G & Anelli,F | Ricerche di Meteorologia Ipogea nelle Grotte di Postumia | 1939 | |
Casteret,N | Ten years under the earth | 1939 | |
Tompkins,E.P & Davis,J.I.L | The Natural Bridge & its Historical Surroundings | 1939 |