University of Illinois Urbana-Champaign

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Showing 181–210 of 414 items
Thumbnail for Petroleum industry in Illinois in 1955.
Petroleum industry in Illinois in 1955.
Bell, Alfred Hannam; Kline, Virginia Harriet; Witherspoon Jr., Paul Adams; Pierre, Donald A.

Thumbnail for A monograph of Lemnaceae. 34
A monograph of Lemnaceae. 34
Daubs, Edwin Horace

Thumbnail for A Monograph of Lemnaceae
A Monograph of Lemnaceae
Daubs, Edwin Horace