A forest of the coal age / by B. E. Dahlgren, Acting Curator, Dept. of Botany.

no.14(1933)

Field Museum of Natural History bulletin.

v. 43 (1972)

The Alumni journal.

19

The Alumni journal.

16

Contributions to the botany of Vermont.

1-9, 1898-1911

The Alumni journal.

20

The Alumni journal.

17

How old are fossils? / by Sharat K. Roy, Asst. Curator of Invertebrate Paleontology.

no.9(1927)

Famous diamonds/ by Oliver C. Farrington, Curator of Geology.

no.10(1929)

Cement / by Henry W. Nichols, Assoc. Curator of Geology.

no.12(1929)

Field Museum of Natural History bulletin.

v. 60 (1989)

Field Museum of Natural History bulletin.

v. 49 (1978)

Field Museum of Natural History bulletin.

v. 54 (1983)

Field Museum of Natural History bulletin.

v. 61:1-3 (1990)

Field Museum of Natural History bulletin.

v. 57 (1986)