The Canadian entomologist.

v. 23 (1891)

The Canadian entomologist.

v. 24 (1892)

The Canadian entomologist.

v. 34 (1902)

Organic buildups in the Lower Ordovician (Canadian) of Texas and Oklahoma / Donald Francis Toomey -- and Matthew H. Nitecki --.

n.s. no.2(1979)

The Canadian entomologist.

v. 8 (1876)

The Canadian entomologist.

v. 39 (1907)

The Canadian entomologist.

v. 22 (1890)

The Canadian entomologist.

v. 42 (1910)

The Canadian entomologist.

v. 19 (1887)

The Canadian entomologist.

v. 12 (1880)

The Canadian entomologist.

v. 51 (1919)

The Canadian entomologist.

v. 13 (1881)

The Canadian entomologist.

v. 16 (1884)

The Canadian entomologist.

v. 43 (1911)

The Canadian entomologist.

v. 27 (1895)