Amber; its physical properties and geological occurrence,
by Oliver C. Farrington ...
- Chicago, Field museum of natural history, 1923.
- 7 p. incl. illus. 3 pl. (incl. front.) 23 cm.
- Field museum of natural history. Department of geology. Leaflet no. 3 .
- Leaflet (Field Museum of Natural History. Department of Geology) ; no. 3. .