Paul H. Barrett

Masters in instrumentation

David F. Nicoli, Paul H. Barrett, Virgil B. Elings, 1978 .

Metaphysical enquiries. Notebook m, 1838. Notebook n, 1838-1839. Old & useless notes, 1838-1840. Abstract of macculloch, 1838

Paul H. Barrett, Transcribed, 1987 .

Charles Darwin's Notebooks, 1836-1844: Geology, Transmutation of Species, Metaphysical Enquiries

Paul H. Barrett, C. Darwin, P. H. Barrett, 1987 .

The works of Charles Darwin

R. B. Freeman, Paul H. Barrett, C. Darwin, 2010 .

Darwin on man. A psychological study of scientific creativity, together with Darwin's early and unpublished notebooks

Howard E. Gruber, Paul H. Barrett, H. Gruber, 1975, Medical History.

Darwin's Crucial Years. (Book Reviews: Darwin on Man. A Psychological Study of Scientific Creativity)

Howard E. Gruber, Paul H. Barrett, H. Gruber, 1974 .

The collected papers of Charles Darwin

Paul H. Barrett, C. Darwin, P. H. Barrett, 1977 .