Artificial insemination of bees, [414]
Arthur, B. F., donor, [44]
Aultman-Taylor steam tractor, [406]
Auth Provision Co., donor, [56], [57]
Avery Bulldog tractor, [142]
Axe, meat, [59];
tobacco, [259]
Babcock butterfat tester, [68], [230]
Bailey, Jeremiah, [170]
Bailey mower, [170]
Baker, George, [281]