Philip Helfrich has written:
'The Feasibility of brine shrimp production on Christmas Island' -- subject(s): Shrimp culture
'An assessment of the expected impact of a dredging project for Pala Lagoon, American Samoa' -- subject(s): Dredging, Environmental aspects of Dredging, Harbors, Marine Biology, Water resources development
Helfrich Peter Sturz has written: 'Das trefflichste aus den Schriften von H.P. Sturz'
Devere Helfrich has written: 'Emigrant trails west' -- subject(s): Automobile travel, Guidebooks, Historical markers, Trails
M. Shannon Helfrich has written: 'Montessori learning in the 21st century' -- subject(s): Montessori method of education, EDUCATION / Teaching Methods & Materials / General
Philip Mead has written: 'Philip Mead'
Philip Rafaelli has written: 'Philip Rafaelli'
Philip Reynolds has written: 'When and if'
PHILIP SHAW has written: 'SUBLIME'
Philip Power has written: 'Maths'
Philip Redford has written: 'Redford'
PHILIP HENSHER has written: 'FIT'
Philip Caza has written: 'Caza'
Philip Gefter has written: 'Lovers'