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)

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

v.10:no.16(1953)