Teaching demonstrations

Officer Buckle and Gloria

Peggy Rathmann.

Blister rust and white pine demonstration areas: (data as of January, 1928), Maine

United States. Department of Agriculture. Office of Blister Rust Control

Farm face-lifting demonstrations: their history, how they're conducted, and what they accomplish

United States. Soil Conservation Service

必読必携小学校各教科参観要訣

Hiroshima Kōtō Shihan Gakkō Fuzoku Shōgakkō Kyōiku Henshūbu hencho

Blister rust and white pine demonstration areas: (data as of January, 1928), New Hampshire

United States. Department of Agriculture. Office of Blister Rust Control

Blister rust and white pine demonstration areas: (data as of January, 1928, revised August 1930), Connecticut

United States. Department of Agriculture. Office of Blister Rust Control

Blister rust and white pine demonstration areas: (data as of January, 1928), Rhode Island

United States. Department of Agriculture. Office of Blister Rust Control

Giving a food demonstration with tips for TV

Blister rust and white pine demonstration areas: (data as of January, 1928), Massachusetts

United States. Department of Agriculture. Office of Blister Rust Control

Nagli͡a︡dnostʹ v demonstrat͡s︡ionnom ėksperimente po fizike: ėrgonomicheskiĭ podkhod

V.N. Naumchik, A.M. Sarzhevskiĭ.