H. B. Humphrey has written:
'Historical summary of coal-mine explosions in the United States' -- subject(s): Coal mines and mining, Mine explosions
H. E. Humphrey has written: 'Joints'
A. H. Humphrey has written: 'Random rhymes of a suburbanite' -- subject(s): Accessible book
H. B. Gotaas has written: 'Composting'
H. B. Hughes has written: 'Doc'
H. B. Eduardo has written: 'Riccy'
B. H. Davey has written: 'Trends in agriculture'
B. H. Slater has written: 'Intentional Logic'
H. B. Ziemer has written: 'Civilization on the march'
H. B. Acton has written: 'Philosophy of punishment'
B. H Hilton has written: 'The baronets, or, How will it end?'
B. H. Aluvihare has written: 'The Kandayan convention and after'
H. B. Berrington has written: 'Political parties in Britain'