© since 2002 (as Encyclopaedia Speleologica Practicana)
editor: Piotr Kulbicki
web design: Bartosz Gerula
editor: Piotr Kulbicki
web design: Bartosz Gerula
Kačna Jama, Slovenia, historical pictures, author unknow
Photo Christian Parma (Poland)
Édouard-Alfred Martel (1859-1938), French pioneer of speleology
Pleasant Ridge cave, foto: Bob Biddix, Innermost Imagery
Eternal Longing, Tumbing Rock cave, photo: Nathan Williams
