El Niño in Peru : biology and culture over 10,000 years : Papers from the VIII Annual A. Watson Armour III Spring Symposium, May 28-29, 1999, Chicago / Jonathan Haas and Michael O. Dillon, editors.

n.s. no.43(2003)

A restudy of the 1917 eruption of Volcán Boquerón, El Salvador, Central America / Sharat Kumar Roy --

v.10:no.30(1957)

The birds of El Salvador, by Donald R. Dickey and A. J. Van Rossem.

v.23 (1938)

Notes on amphibians and reptiles from El Salvador / A. Stanley Rand.

v.34:no.42(1957)

Hilltop terrace sites of Oaxaca, Mexico : intensive surface survey at Guirâun, El Palmillo and the Mitla Fortress / Gary M. Feinman and Linda M. Nicholas.

n.s. no.37(2004)

Fresh-water limestone from the Torola Valley, northeastern El Salvador / Sharat Kumar Roy -- and Robert Kriss Wyant --.

v.10:no.16(1953)