Reports written by E. S. Pettyjohn."Reports prepared for the Annual Meeting of the Michigan Gas Association...1931..."Cover title.Mode of access: Internet
"Published as a part of the Annual report of the Geological survey division for 1936."Mode of access...
Thesis (B.S.)--Michigan Agricultural College, 1921.Bibliography: leaf [41].Mode of access: Internet
"Published as part of the Annual report of the Board of Geological and Biological Survey for 1914."M...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1916.Mode of access: Internet
"Publications of the Engineering Experiment Station": p. 53-54.Under auspices for College of Enginee...
Reprinted from Proceedings of the Railway club of Pittsburg, Nov. 25, 1910. Reprint no. 1031.Mode o...
Mode of access: Internet.Vols. for issued by the association under its earlier name: Associations of...
Typescript.Thesis (C.E.)--University of Wisconsin--Madison, 1912.Mode of access: Internet
Thesis (B.S.)--Michigan State College of Agriculture and Applied Science, 1912.Mode of access: Inter...
"Undertaken originally as a doctoral dissertation ... [at] the University of Michigan ... condensed ...
Description based on: 29th, published in 1927.Title varies slightly.Some reports combined.Mode of ac...
Thesis (B.S.)--Michigan State College of Agriculture and Applied Science, 1920.Bibliography: leaf 3....
Work done in cooperation with Coordinating Fuel Research Committee of the Coordinating Research Coun...
"Published as a part of the annual report of the Board of Geological and Biological Survey for 1920....
"Reprinted from the Journal of industrial and engineering chemistry, October, 1913."Cover title.Mode...
"Published as a part of the Annual report of the Geological survey division for 1936."Mode of access...
Thesis (B.S.)--Michigan Agricultural College, 1921.Bibliography: leaf [41].Mode of access: Internet
"Published as part of the Annual report of the Board of Geological and Biological Survey for 1914."M...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1916.Mode of access: Internet
"Publications of the Engineering Experiment Station": p. 53-54.Under auspices for College of Enginee...
Reprinted from Proceedings of the Railway club of Pittsburg, Nov. 25, 1910. Reprint no. 1031.Mode o...
Mode of access: Internet.Vols. for issued by the association under its earlier name: Associations of...
Typescript.Thesis (C.E.)--University of Wisconsin--Madison, 1912.Mode of access: Internet
Thesis (B.S.)--Michigan State College of Agriculture and Applied Science, 1912.Mode of access: Inter...
"Undertaken originally as a doctoral dissertation ... [at] the University of Michigan ... condensed ...
Description based on: 29th, published in 1927.Title varies slightly.Some reports combined.Mode of ac...
Thesis (B.S.)--Michigan State College of Agriculture and Applied Science, 1920.Bibliography: leaf 3....
Work done in cooperation with Coordinating Fuel Research Committee of the Coordinating Research Coun...
"Published as a part of the annual report of the Board of Geological and Biological Survey for 1920....
"Reprinted from the Journal of industrial and engineering chemistry, October, 1913."Cover title.Mode...
"Published as a part of the Annual report of the Geological survey division for 1936."Mode of access...
Thesis (B.S.)--Michigan Agricultural College, 1921.Bibliography: leaf [41].Mode of access: Internet
"Published as part of the Annual report of the Board of Geological and Biological Survey for 1914."M...