Mammals From The St. Mary River Formation (cretaceous) Of Southwestern AlbertaRobert E Sloan, Loris S Russell, Royal Ontario Museum1974PDF1.7 MB
Readings for the Young; a Classified and Annotated Catalog, with an Alphabetical Author-index, Comp. by John F. Sargent. With a Supplement, 1891-95, and Subject-index to the Complete Work, Comp. by Mary E. and Abby L. Sargent.John Frederick Sargent1896
How Many Lightbulbs Does It Take to Change a Planet?: 95 Ways to Save Planet EarthTony Juniper2007PDF14 MB