The plums of New York - New York (State). Dept. of Agriculture. (J.B. Lyon Co., state printers, 1911)

The plums of New York - Hedrick, U. P. (J. B. Lyon Co., State Printers, 1911)

Poisonous plants of all countries - Bernhard-Smith, Arthur. (Baillière, Tindall & Cox, 1923)

Poisonous plants of all countries. With the active, chemical principles which they contain; and the toxic symptoms produced by each group - Bernhard-Smith, Arthur. (J. Wright, 1905)

Poisons; their effects and detection - Blyth, Meredith Wynter. (C. Griffin & company, limited, 1920)