Kalendár - Almanac National Slovak Society for year of 1993. : National Slovak Society 1890-1993. /
National geographic /
Kalendár - Almanac National Slovak Society of the USA for year of 1994. : National Slovak Society 1890-1993.
Kalendár - Almanac National Slovak Society of the USA for year of 1991. : National Slovak Society 1890-1991. /
Science and society in early America : essays in honor of Whitfield J. Bell, Jr /
70th anniversary of the National Slovak Society.
National geographic: fotografie. /
The National geographic magazine.
Thirty-fifth year jubilee assembly 748 National Slovak Society, Ecorse, Michigan.
GPS : praktická uživatelská příručka /
U.S.A. the history of a nation /
Exkurzný sprievodca pre účastníkov 15. kongresu Slovenskej geografickej spoločnosti : Košice 8.-11. 9. 2010 /
History and American society : essays of David M. Potter /
Blízká setkání čtvrtého druhu (UFO). /
The national experience. Part 1, History of the United States to 1877 /
National geographic atlas of the world /
Memorandum of the Slovak national council abroad.
Geographical : magazine of the Royal Geographical Society.
Thirty-fifth year jubilee Assembly 748 National Slovak Society Ecorse, Michigan, Sunday, April 21, 1963.
Journal of the Czechoslovak geographical society : supplement for the XX-th International Geographical Congress, London 1964 /
The National Geographic Society. : 100 years of adventure and discovery. /