EBD A503-21
|
Bobwhite and other quails of U.S. in their economic relations |
1 |
EBD A503-22
|
Birds known to eat boll weevil |
1 |
EBD A503-23
|
Horned larks and their relation to agriculture |
1 |
EBD A503-24
|
Grouse and wild turkeys of U.S., and their economic value |
1 |
EBD A503-25
|
Birds that eat cotton boll weevil report of progress. |
1 |
EBD A503-26
|
Distribution and migration of North American ducks, geese, and swans |
1 |
EBD A503-27
|
North American eagles and their economic relations |
1 |
EBD A503-28
|
Game commissions and wardens, their appointment, powers, and duties |
1 |
EBD A503-29
|
Relation of birds to cotton boll weevil |
1 |
EBD A503-30
|
Birds of California in relation to fruit industry part I. |
1 |
EBD A503-31
|
Economic study of field mice |
1 |
EBD A503-32
|
Food habits of grosbeaks |
1 |
EBD A503-33
|
Brown rat in U.S |
1 |
EBD A504-1.1
|
Circular on food-habits of birds |
1 |
EBD A504-1.1 to A504-70
|
Circulars of Bureau of Biological Survey |
1 |
EBD A504-2
|
Circular on English sparrow (Passer domesticus) |
1 |
EBD A504-3
|
Circular on economic relations of mammals |
1 |
EBD A504-4
|
Instructions for collection of stomachs |
1 |
EBD A504-5
|
Circular to rice growers |
1 |
EBD A504-6
|
[Blank form for acknowledging receipt of information on English sparrow] |
1 |