Dusting cotton from airplanes Dusting cotton from airplanes / ‌ Coad, B. R.

Recent experimental work on poisoning cotton-boll weevils / ‌ Coad, B. R.

Feeding habits of the boll weevil on plants other than cotton / ‌ Coad, B. R.

The rules for poisoning the cotton boll weevil The rules for poisoning the cotton boll weevil / ‌ Coad, B. R., Cassidy, T. P.

Dusting machinery for cotton boll weevil control Dusting machinery for cotton boll weevil control / ‌ Johnson, Elmer, Coad, B. R.

Cotton boll weevil control by the use of poison / ‌ Coad, B. R., Cassidy, T. P.

Insect injury to cotton seedlings / ‌ Coad, B. R., Howe, R. W.

Dusting cotton from airplanes / ‌ Coad, B. R., Johnson, E., McNeil, G. L.

Dusting machinery for cotton boll weevil control / ‌ Johnson, Elmer

Այլ հեղինակներ: “…Coad, B. R.…”