J. P. Bertrand has written:
'Timber wolves' -- subject(s): History, Crown lands, Pulpwood industry, Lumber trade, Forest products industry
P. Y. Bertrand has written: 'Les noms des plantes au Maroc' -- subject(s): Botany, Nomenclature
Bertrand P. Helm has written: 'Time and reality in American philosophy' -- subject(s): American Philosophy, History, Time
P. J. Sangalang has written: '\\'
J P. Chambers has written: 'Ceefax'
P J. Moore has written: 'Finance'
J. P. McCrum has written: 'Your toymaking'
P. J. Barnes has written: 'Asthma'
J. P. Halleux has written: 'TPLOT'
J. P. Little has written: 'Beckett'
J. P. Trap has written: 'Danmark'
P. Bertrand has written: 'Bassin houiller de la Sarre et de la Lorraine' -- subject(s): Coal, Fossil Ferns, Paleobotany
P. J. Reese has written: 'Moments of inertia'