/Number 1/ (March) /The Higher Significance in the Lewis and Clark Exploration/. by F. G. Young /The Story of Lewis and Clark's Journals/ [reprinted from intro. to The Original Journals of the Lewis and Clark Expedition]. by Reuben Gold Thwaites /Dr. John Scouler's Journal of a Voyage to N. W. America / /Sketch of a Journey to the North-Western Parts of the Continent of North America during the Years 1824-25-26-27/. by David Douglas "Reviews" by J.S. [Joseph Schafer?] "/The Society's Activities/" Horace S. Lyman
/Number 2/ (June) /Origin of Pacific University/. by James R. Robertson /The Political Beginning of Washington Territory/. by Thomas W. Prosch /Dr. John Scouler's Journal of a Voyage to N.W. America: 1824-25-26, part 2/ /Sketch of a Journey to the North-Western Parts of the Continent of North America during the Years 1824-25-26-27/. by David Douglas "Reviews". by F.G.Y. "Accessions"
Number 3 (September) /The Unity of History/ [from address at Lewis and Clark Centennial Exposition]. by H. W. Scott /Aspects of Oregon History before 1840/ [also from address at L&C Cent.]. by Edward Gaylord Bourne /Dr. John Scouler's Journal of a Voyage to N.W. America: 1824-25-26, part 3/ /Second Journey to the Northwestern Parts of the Continent of North America during the Years 1829-30-31-32-33/. by David Douglas /The Historical Conference/ [at the L&C Centennial Exposition] /First Report of the Conference of State and Local Historical Societies/ [reprinted from Annual Report of AHA, 1904] "Reviews". By James R. Robertson "/Accessions/"
/Number 4/ (December) The Winning of the Oregon Country [address at Yamhill Co. Pioneer Assoc., 1987]. by W. D. Fenton Notes on the Colonization of Oregon. by Joseph Schafer Meriwether Lewis [L&C]. by Andrew T. Lewis Functions of the Oregon Historical Society [L&C]. by F. G. Young Washington Activities in History [L&C]. by Clarence B. Bagley /Sketch of a Second Journey to the Nortwestern Parts of the Continent of North America and to Sandwich Islands during the Years 1829-30-31-32-33-34/. by David Douglas/W.J.H. "Accessions"