SMOLEJ, Slavko. Slavko Smolej (1909-1961) : [glasnik gorske narave in železarske kulture : = spokesman for mountain nature and the culture of ironworks] : Moderna Galerija Ljubljana, [21. december 1999 - 6. februar 2000] : = Museum of Modern Art Ljubljana, [21 December 1999 - 6 February 2000]. Ljubljana : Moderna galerija : = Museum of Modern Art, cop. 1999. [51] str.. ISBN 961-206-023-1.