TY  - BOOK
AU  - Harrison,Hal H.
TI  - A field guide to western birds' nests: of 520 species found breeding in the United States west of the Mississippi river 
T2  - The Peterson Field Guide Series
SN  - 0-395-27629-2
AV  - QL675 H374
PY  - 1979///
CY  - Boston, Mass.
PB  - Houghton Mifflin
ER  -