Kirschbaum, J. M. (1973). Slovakia in the 19th & 20th centuries: Proceedings of the conference on Slovakia held during the general meeting of the Slovak World Congress on June 17-18, 1971, in Toronto, Ontario, Canada. Toronto: Slovak World Congress.

Kirschbaum, Joseph M. Slovakia in the 19th & 20th Centuries: Proceedings of the Conference On Slovakia Held During the General Meeting of the Slovak World Congress On June 17-18, 1971, in Toronto, Ontario, Canada. Toronto: Slovak World Congress, 1973.

Kirschbaum, Joseph M. Slovakia in the 19th & 20th Centuries: Proceedings of the Conference On Slovakia Held During the General Meeting of the Slovak World Congress On June 17-18, 1971, in Toronto, Ontario, Canada. Toronto: Slovak World Congress, 1973.