Harold William Perkins has written:
'The doctrine of Christian or evangelical perfection'
Harold O. PERKINS has written: 'Espaliers and vines for the home gardener'
William Charlton-Perkins has written: 'Indaba Mini-Curio'
Harold Oliver Perkins has written: 'Ornamental trees for home grounds' -- subject(s): Ornamental Plants, Trees
Harold William Clayton has written: 'A natural approach to mathematics'
William R. Perkins has written: 'Engineering of dynamic systems' -- subject(s): Systems engineering
Harold William Pointen has written: 'The Holiness Movement Church in Canada'
Harold William Newton has written: 'The face of the sun' -- subject(s): Sunspots
Harold William Metz has written: 'Authoritarianism and the individual' -- subject(s): Authoritarianism
Harold William Wilson has written: 'Movable kidney; its pathology, symptoms, and treatment'
William Perkins has written: 'Three years in California' -- subject(s): Description and travel, Frontier and pioneer life, Gold discoveries
William Harold Brown has written: 'A design of a hard disk interface for the micropolic 1223-1'
Harold William Janes has written: 'On the modelling of tropospheric effects in ultra-high frequency radio positioning'