Autor
Texas Agricultural Workers' Association. Meeting
6
Patrons of Husbandry. Iowa State Grange
2
Texas Agricultural Workers' Association. Convention
2
Aguiló, Federico
1
Ampliado Nacional de Amas de Casa Mineras
1
Bajoit, Guy
1
Congreso de CSUTCB
1
Federación Sindical de Trabajadores Mineros de Bolivia
1
Indonesia. Badan Pendidikan, Latihan dan Penyuluhan Pertanian
1
Institut so︠t︡siologicheskikh issledovaniĭ (Akademi︠i︡a nauk SSSR)
1
Latihan Pengembangan Pembinaan Taruna Tani Cipanas, Indonesia
1
Lora, Guillermo
1
Sri Lanka Foundation Institute
1
Staroverov, V. I. (Vladimir Ivanovich)
1
Universidad Mayor de San Andrés. Sindicato de Docentes
1
World Congress of Rural Sociology Bologna, Italy
1