P. L. Seyfried has written:
'Humber River bacteriological study' -- subject(s): Water, Freshwater microbiology, Feces, Microbiology, Pollution
'Background information to support the potential use of Streptococcus faecium subsp. casseliflavus and bidobacterium ssp. as indicators of human and/or animal sources of pollution'
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L. P. Thorpe has written: 'Personality'
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P. L Carver has written: 'The life of a poet'
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L P. Green has written: 'Provincial metropolis'
P. L. Ward has written: 'Women and librarianship'
L. P. Yakubinskii has written: 'Izbrannye raboty'
P. L. Butzer has written: 'On Bernstein polynomials'
L. P. Bucklin has written: 'Vertical marketing systems'
P. L. Wagner has written: 'The human use of the earth'
P. L. Gray has written: 'The principles of magnetism and electricity'