- 1Robert P. Multhauf
Neptune's Gift : a history of common salt
Baltimore (MD): John Hopkins University Press 1978; 324 S. : zahlr. Ill.
Salz; Geschichte - 2Robert P. Multhauf
Holcomb, Fitz and Peate: : three 19th Century American telescope makers
1962; S. 156 - 183 : Ill.
Fernrohr; USA - 3Robert P. Multhauf
The introduction of self-registering meteorological instruments
1961; S. 96 - 115 : Ill.
Meteorologisches Instrument