Bibliographic record
Langford, George, 1963.The Wilmington Coal fauna and additions to the Wilmington Coal flora from a Pennsylvanian deposit in Will County, Illinois. Esconi Associates, Downers Grove, Illinois. 280 p.
Specimens figured in this publication:
14772,
14777,
14892,
14897,
14911,
14915,
14928,
14931,
15002,
15020,
15046,
15144,
15153,
15183,
15207,
15234,
15257,
15274,
15281,
15297,
15302,
15348,
15397,
15421,
15422,
15454,
15459,
15465,
15516,
15594,
15618,
15620,
15639,
15649,
15650,
15658,
15676,
15692,
15693,
15716,
15790,
15799,
15800,
15807,
15829,
15830,
15863,
15903,
15910,