"Account of the Voyage on the Beautiful River Made in 1749, Under the Direction of Monsieur de Celoron," by Father Bonnecamps
"The Beginnings of Higher Education in the Northwest Territory," by Thomas N. Hoover
"Big Bottom and Its History," by C. L. Martzolff
"Birthplace of John Brough"
"Blennerhassett," by E. O. Randall
"A Brief Description of Washington County, Ohio," by John Delafield, Jr., (alias A Member)
"The Bunch of Grapes Tavern"
"The Carters in Early Ohio," by C. E. Cabot
"Celoron's Journal," edited by Rev. A. A. Lambing
"The Centennial Celebration at Marietta, April Seventh, 1888" (volume includes many speeches)
"Commodore Abraham Whipple: A Paper by his Great-Grandson," David Fisher
"Contemporary Description of Ohio in 1788"
"de Celoron's Expedition to the Ohio in 1749," by O. H. Marshall
"The Earliest Settlement in Ohio," by Alfred Mathews
"The Early History of Ohio," by W. L. Kingsley etc.
"Early Ohio Medicine, by Edward S. Thomas
"Early Physicians of Marietta, Ohio," by Dr. S. P. Hildreth
"Early Religious Movements in the Muskingum Valley," by C. L. Martzolff
"Early Steamboat Travel on the Ohio River," by Leslie S. Henshaw
"Education in Territorial Ohio," by W. Ross Dunn
"First Church Organized in the Northwest Territory," by C. E. Dickinson
"Flatboating on the Ohio River," by Rev. Isaac F. King
"George Washington's Voyage on the Ohio River in 1770," by C. B. Galbreath
"The German Pioneers," by Bernard F. Peters
"The Historical Program of the Northwest Territory Celebration Commission," by E. M. Hawes
"History of Methodism in Washington County, Ohio," by Rev. Samuel Hamilton, beginning p. 404
"How Governor Meigs Got His Name"
"The Indian Thoroughfares of Ohio," by Archer Butler Hulbert
"The Infant School That Grew Up," by Josephine E. Phillips
"The Influence of New England in Denominational Colleges in the Northwest, 1830-1860," by E. Kidd Lockard
"The Influence of the Ohio River in Western Expansion," by Edwin Erle Sparks
"Inland Navigation of the United States," by Charles Barnard
"John Brough," by Osman Castle Hooper
"John Gray, Washington's Last Soldier," by Private Dalzell
"A Journey to Marietta in 1794," by Israel Putnam
"Leaden Plate at the Mouth of the Muskingum"
"Legislation in the Northwest Territory," by A. A. Graham
"Legislature of the Northwestern Territory, 1795"
"A Letter of Rufus Putnam's to Nehemiah Hubbard, a Non-Resident Proprietor of Marietta, Ohio"
"Lucy Backus Woodbridge, Pioneer Mother, January 31, 1757--October 6, 1817." by Louise Rau
"The Ludlow Line," by R. W. McFarland
"The Lure of the Pioneer," by Mrs. Helen C. Hill Sloan
"Major David Ziegler," by George A. Katzenberger
"Manasseh Cutler," by Rev. A.P. Peabody, D. D.
"Mary White: Autobiography of an Ohio First Lady," by Mary L. White
"The Memoirs of Rufus Putnam," a review (see Books for full text of book by Rowena Buell)
"Memorial to Rufus Putnam"
"Memorial to the Senate and House," Committee of Correspondence seeking a road from Marietta to Chillicothe, 1817
"Methods of Treatment of Some of the More Common Diseases by the Pioneer Physicians of Ohio," by David A. Tucker, M.D.
"Moral Policemen on the Ohio Frontier," by Paul H. Boase
"Muskingum River Pilots: Their Duties and Requirements," by Irven Travis
"The Naming of Marietta," by Josephine E. Phillips
"Navigation on the Muskingum," by Irven Travis
"Newspapers Read by the Ohio Pioneers," by Emilius O. Randall
"Nye Family Reunion at Marietta"
"The Ohioans," by Rolliin Lynde Hartt
"Ohio Generals and Field Officers in the Civil War," by W. H. Curry
"Ohio's Deep Roots in Connecticut," by Josephine E. Phillips
"Ohio's Squatter Governor: William Hogland of Hoglandstown," by Randolph C. Downes
Ohio Valley Historical Association, constitution
Ohio Valley Historical Association, list of members
"Ohio Waterpowered Sawmills," by Donald A. Hutslar
The Old Northwest Genealogical Quarterly, Vol. 1
"The Old Northwest to Eastern Eyes," by Beverly W. Bond, Jr.
"Oration of Hon. George F. Hoar" (at the 1788 Centennial of the Northwest Territory)
"Oration of Hon. John Randolph Tucker, LL.D." (at the 1788 Centennial of the Northwest Territory)
"The Ordinance of July 13th, 1787," by William P. Cutler
"Origin of the Ohio Company: Petition of Officers in the Continental Line of the Army"
"Pioneer History," a review  (see Books for full text of book by Samuel P. Hildreth)
"The Pioneer Physicians of the Muskingum Valley," by Edmund Cone Brush
"The Pioneers of Ohio," by Rufus King
"A Prophecy," poem by Return Jonathan Meigs
"The Puritanic Influence in the Northwest Territory, 1788-1803" by Winfred B. Langhorst
"Report of Field Work Carried on in the Muskingum, Scioto, and Ohio Valleys," by Warren King Moorehead
"Richest and Best / Is the Wine of the West": The Ohio River Valley and the Jewish Frontier, by Amy Hill Shevitz
"Rutland, The Cradle of Ohio," by E. O. Randall
"Collections and Exhibits at the Rufus Putnam House at the Campus Martius Museum," by Daniel R. Porter
"Services of the Ohio Company in Defending the United States Frontier from Invasion," by W. H. Venable
"Some Early Travelers and Annalists of the Ohio Valley,"by W. H. Venable
"The Survey of the Seven Ranges," by William D. Pattison
"A Surveyor on the Seven Ranges," by Benjamin H. Pershing
"The Two Lives of Frances Dana Gage," by Carol Steinhagen
"Beginnings of the Underground Railroad in Ohio," by Wilbur H. Siebert
Underground Railroad Map showing Washington County Routes
"Washington's Camp Sites on the Ohio River," by Guy-Harold Smith
"Washington's 'Tour to the Ohio' and Articles of 'The Mississippi Company,'" by Archer Butler Hulbert
"Women on the Ohio Frontier: The Marietta Area," by Mildred Covey Fry