Panicearum genera - Trinius, Carl Bernhard, 1778 -1844 (Impr. de l'Académie impériale des sciences, 1834)

A paper on the nomenclature of the parts of the head of insects - Newman, Edward, 1801 -1876 (Printed for the author, by R. Clay, 1834)

Parasites : a treatise on the entozoa of man and animals, including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasites a treatise on the entozoa of man and animals including some account of the ectozoa - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (J. & A. Churchill, 1879)

Parasites : articles contributed to Wood's reference handbook of the medical sciences, new series, 1900-1904 - Ward, Henry Baldwin, 1865 -1945 (1904)

Parasites of fishes of the Woods Hole region - Linton, Edwin, 1855 -1939 (Govt. print. off, 1901)

The parasites of man, and the diseases which proceed from them; a textbook for students and practitioners - Leuckart, Rudolf, 1823 -1898 (Pentland, 1886)

The parasites of man, and the diseases which proceed from them : a text-book for students and practitioners - Leuckart, Rudolf, 1823 -1898 (Young J. Pentland, 1886)

The parasites of man, and the diseases which proceed from them. A text-book for students and practitioners - Leuckart, Rudolf, 1823 -1898 (Y.J. Pentland, 1886)