^"Križna jama" (in Slovenian). Cave E-Cadastre. Retrieved 28 August 2012.
^Copeland, Fanny Susan; Kuščar, Ludvik (1930). "The Unexplored Caves of Slovenia". Discovery: The Popular Journal of Knowledge. 11: 160.
^Laas und Čabar (map, 1:75,000). Vienna: K.u.k. Militärgeographisches Institut. 1903.
^Notranjski regijski park: Križna jama Archived 2015-01-09 at the Wayback Machine (in Slovene)
^Prelovšek, Mitja. "Križna jama" [Cross Cave]. In Šmid Hribar, Mateja; Golež, Gregor; Podjed, Dan; Kladnik, Drago; Erhartič, Bojan; Pavlin, Primož; Ines, Jerele (eds.). Enciklopedija naravne in kulturne dediščine na Slovenskem – DEDI [Encyclopedia of Natural and Cultural Heritage in Slovenia] (in Slovenian). Retrieved 20 August 2012.