An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian / by Nathaniel Lord Britton and Hon. Addison Brown.

3

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian / by Nathaniel Lord Britton and Hon. Addison Brown.

2

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian / by Nathaniel Lord Britton and Hon. Addison Brown.

1

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 11 (1920)

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 6, Rev. ed. ((1924)

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 9 (1919)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 8 (1918)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 13 (1927)

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 5 (1915)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 19 (1941)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 17 (1939)

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 1 (1911)

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 7 (1915)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 15 (1929)

Memoirs of the Wistar Institute of Anatomy and Biology.

no. 10 (1923)