- ColeçãoBUC - Businesses Collection
- SérieTEC - Telephone Companies
- ItemIHM.2020.0187a - Indian Head Area Telephone Exchange Map (1975)
- ItemIHM.2020.0188 - Sunny South Rural Telephone Company Box
- ItemIHM.2020.0189 - Sunny South Rural Telephone Company Minute Book
- ItemIHM.2020.0190 - Albina Rural Telephone Company (Sintaluta) Minute Book
- ItemIHM.2020.0191 - Albina Rural Telephone Company (Sintaluta) Cash Book 1918 - 1971
- ItemIHM.2020.0192 - Albina Rural Telephone Company (Sintaluta) Cash Book 1972 - 1976
- ItemIHM.2020.0193 - Rose Valley Rural Telephone Company Cash Book
- 14 mais...