Flora of the Aguan valley and the coastal regions near La Ceiba, Honduras, by T. G. Yuncker.

v.9:no.4(1940)

Flora of the Lancetilla Valley, Honduras, by Paul C. Standley.

v.10(1931)

Notes on birds from the Marcapata Valley, Cuzco, Peru / Melvin A. Traylor.

v.34:no.3(1952)

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

v.10:no.16(1953)

Transactions of the Mississippi Valley Horticultural Society.

v.2 (1884)

Transactions of the Mississippi Valley Horticultural Society.

v.1 (1883)

Early Intermediate and Middle Horizon ceramic styles of the Cuzco Valley / Brian S. Bauer, Bradford M. Jones.

n.s. no.34(2003)