Operations Upon the Sea A Study By: Franz Edelsheim

Opinion of the Supreme Court of the United States, at January Term, 1832 By: John Marshall

Opportunities in Aviation By: Gordon Lamont

Opportunities in Engineering By: Charles M. (Charles Marcus) Horton

Ordnance Instructions for the United States Navy. 1866. Fourth edition. By: United States. Navy Dept. Bureau of Ordnance

Our Legal Heritage By: S. A. Reilly

Our Old Home By: Nathaniel Hawthorne

Our Young Folks, Vol 1, No. 1 An Illustrated Magazine By: Various

Our Young Folks—Vol. I, No. II, February 1865 An Illustrated Magazine for Boys and Girls By: Various

Oxford By: Andrew Lang

Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding together with related methods and materials used in metal working and the oxygen process for removal of carbon By: Harold P. (Harold Phillips) Manly

Parks for the People Proceedings of a Public Meeting held at Faneuil Hall, June 7, 1876 By: Various

Patent Laws of the Republic of Hawaii and Rules of Practice in the Patent Office By: Hawaii

Peat and its Uses as Fertilizer and Fuel By: Samuel W. (Samuel William) Johnson

Pedagogics as a System By: Karl Rosenkranz

Pennsylvania Dutch Cooking By: Unknown

Pictures from Italy By: Charles Dickens

Political and Literary essays, 1908-1913 By: Evelyn Baring Cromer

Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes By: Ira Mayhew

Practical Education, Volume I By: Maria Edgeworth

Practical Forestry in the Pacific Northwest Protecting Existing Forests and Growing New Ones, from the Standpoint of the Public and That of the Lumberman, with an Outline of Technical Methods By: E. T. (Edward Tyson) Allen

Practical Pointers for Patentees By: Franklin Allison Cresee

Practical Rules for the Management of a Locomotive Engine in the Station, on the Road, and in cases of Accident By: Charles Hutton Gregory

Pragmatism By: William James

Prairie Farmer, Vol. 56: No. 1, January 5, 1884. A Weekly Journal for the Farm, Orchard and Fireside By: Various

Prairie Farmer, Vol. 56: No. 3, January 19, 1884. A Weekly Journal for the Farm, Orchard and Fireside By: Various

Prairie Farmer, Vol. 56: No. 4, January 26, 1884 A Weekly Journal for the Farm, Orchard and Fireside By: Various

Prairie Traveler By: Randolph B. Marcy

Pratt's Practical Pointers on the Care of Livestock and Poultry By: Pratt Food Company

Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 By: Digital Equipment Corporation

Pressure, Resistance, and Stability of Earth American Society of Civil Engineers: Transactions, Paper No. 1174, Volume LXX, December 1910 By: J. C. Meem

Principles of Mining Valuation, Organization and Administration By: Herbert Hoover