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- Hume, Roland Cunningham, 1898-1987 1
- Hume, Roland Cunningham, 1898-1987 -- Career in Engineering. 3
- Hume, Roland Cunningham, 1898-1987 -- Carrera en ingeniería. 3
- Hume, Walter Cunningham, 1839-1921 2
- Humorismo argentino -- Casos de estudio. 1
- Humorismo gráfico argentino -- Historia 1
- Husband and wife -- Taxation -- United States -- Mathematical models 2
- Hydraulic engineering -- Photographs 40
- Hydroelectric power plants -- Photographs 1
- Hydroelectric power plants -- Political aspects -- Paraná River (Brazil-Argentina) 1
- Hydroponics -- Argentina -- Case studies. 1
- Hygiene -- France -- History -- 19th century 1
- Hygiene -- France -- History -- 20th century 1
- Hygiene products -- Argentina. 1
- Hygiene, Sexual -- Study and teaching (Secondary) -- Argentina -- Córdoba (Province) 1
- Hygiene, Sexual -- Study and teaching (Secondary) -- Argentina -- Salta (Province) 1
- Hypertext systems. 1
- IBM Argentina -- Personnel management. 1
- IBSA (Organization) 1
- Ice cream industry -- Argentina -- Equipment and supplies -- Management -- Case studies 1