National political units in the twentieth century
Subtitle: a standardized list
By: by Bruce M. Russett, J. David Singer [and] Melvin Small.
Contributors: Singer, J. David 1925- joint author.; Small, Melvin, joint author.
Series: Yale papers in political science,; no. 31
Publisher: Yale University, Office of Advanced Political Studies
Published: 1968
Place of publication: [New Haven
Language: eng
Number of pages: 951
Subjects: Historical geography.
Notes: "Reprinted from the American political science review, vol. LXII, no. 3, September, 1968."