in 1834, goldschmidt co-authored, in german, the textbook "lehrbuch der analytischen optik" ("textbook of analytical optics") with j. c. eduard schmidt. together with gauss and wilhelm eduard weber, goldschmidt published in 1840 "atlas des erdmagnetismus: nach den elementen der theorie entworfen" ("atlas of geomagnetism: according to the elements of the theory of design"), a series of magnetic maps. in 1845, goldschmidt published, also in german, a book on electromagnetism, "untersuchungen über die magnetische declination in göttingen" ("studies of the magnetic declination in göttingen").