Paraguay : 1852 and 1968 /
by Edward A Hopkins, Raymond E Cris t and William P. Snow.
- New York : American Geographical Society, 1968.
- 64 p. : ill. ; 23 cm.
- American Geographical Society. Occasional publication ; no.2 .
Memoir on the geography, history, productions, and trade of Paraguay , by E.A Hopkins.- Paraguay, R.E. Crist.- Paraguay today, by W.P. Snow. - Paraguay: a guide to the literature, by L. S. Mullins.