Ichthyologia, cum Amphibiis regni Borussici : methodo Linneana disposita /

Includes indexes.

Gady i plazy : opowiadania o zyciu jaszczurek, wezow, krokodylow, zolwi, i plazow.

Mode of access: Internet.

Environmental status of the Lake Michigan region /

Vols. 7, 9 and 15, issued in 1974, prepared for the U. S. Atomic Energy Commission; vols. issued 1975- prepared for the U. S. Energy Research and Development Administration.

The anatomy of the frog /

Includes bibliographies and index.