Engineering Proceedings.  Papers or summaries of papers presented at engineering conferences held at Penn State. Prior to number 36, these were called "technical bulletins".

P-1      Proceedings, 1st Conference of Sewage Works Operators, held at Penn State, July 13-14, 1926. 49 pages.
P-2      Proceedings, l st Industrial Electrical Heating Conference, held at Penn State, January 11-14, 1927. 103 pages, figures.
P-3      Proceedings, 8th Annual Industrial Conference, held at Penn State, May 13-14, 1927. 62 pages, figures.
P-4      Proceedings, 9th Annual Industrial Conference, held at Penn State, May 25-26, 1928. 85 pages plus one foldout (form).
P-5      Proceedings, 1st and 2nd Oil Power Conferences, held at Penn State, April 21-23, 1927 and June 14-16, 1928. 204 pages, figures, references.
P-6      Proceedings, 10th. Annual Industrial Conference, held at Penn State, May 16-18, 1929. 94 pages plus one foldout (form).
P-7      Proceedings, First Three Conferences of the Water Filter Plant Operators of Pennsylvania, held at Penn State 1926, 1927, 1928. 160 pages, figures, references.
P-8      Proceedings, 3rd Oil Power Conference, held at Penn State June 24-27, 1929. 196 pages, figures, references.
P-9      Proceedings, 11th Annual Industrial Conference, held at Penn State, May 15-17, 1930. 88 pages, figures.
P-10     Proceedings, 2nd Conference of Sewage Plant Operators of Pennsylvania, held at Penn State, July 14-15, 1927. 57 pages, figures.
P-11     School of Engineering Guide for Young Men Entering the Engineering Profession, 1931. 58 pages, figures.
P-12     Proceedings, 4th Oil Power Conference, held at Penn State, June 12-14, 1930. 297 pages, figures, references.
P-13     Proceedings, 12th Annual Industrial Conference, held at Penn State, May 13-15, 1931. 123 pages, figures.
P-14     Proceedings, 5th Oil Power Conference, Lubrication Engineering, held at Penn State May 22, 1931. 102 pages, figures, references.
P-15     Proceedings, 13th Annual Industrial Conference, held at Penn State, May 19-20, 1932. 86 pages.
P-16     Proceedings, 6th Oil Power Conference, held at Penn State June 8-11, 1932. 168 pages, figures, references.
P-17     Proceedings, 14th Annual Industrial Conference, held at Penn State, May 11-12, 1933. 53 pages.
P-18     Proceedings, 7th Oil Power Conference, Lubrication Engineering, held at Penn State, May 25-26, 1933. 168 pages, figures, references.
P-19     Proceedings, 15th Annual Industrial Conference, held at Penn State, May 10-11, 1934. 84 pages.
P-20     Proceedings, 8th Oil Power Conference, held at Penn State, June 20-23, 1934. 137 pages, figures.
P-21     Proceedings, 2nd Industrial Electrical Heating Conference, held at Penn State, October 24-27, 1928. 116 pages, figures.
P-22     Proceedings, 16th Annual Industrial Conference, held at Penn State, May 9-10, 1935. 50 pages.
P-23     Proceedings, Conference on Low Cost Housing, held at Penn State, April 16-17, 1936. 95 pages plus 3 foldouts; figures.
P-24     Proceedings, 17th Annual Industrial Conference, held at Penn State, May 5-7, 1937. 96  pages.
P-25     Proceedings, 18th Annual Industrial Conference, held at Penn State, May 11-13, 1938. 130 pages.
P-26     Proceedings, 19th Annual Industrial Conference, held at Penn State, May 3-5, 1939. 88 pages.
P-27     Proceedings, Hydrology Conference, held at Penn State, June 30-July 2, 1941. 272 pages, figures, references.
P-28     Proceedings, 23rd Annual Industrial Conference, held at Penn State, October 16-18, 1946. 88 pages, figures.
P-29     Proceedings, Conference on Administration of Research, held at Penn State, October 6-7, 1947. 118 pages, figures.
P-30     Proceedings, Conference on Administration of Research, held at Penn State, October 13-15, 1948. 63 pages, figures.
P-31     Proceedings, Conference on Administration of Research, held at Penn State, September 12-14, 1949. 66 pages, references.
P-32     No publication with this number.
P-33     Proceedings, Conference on Research for Small Industry, held at Penn State, May 27-28, 1952. 59 pages.
P-34     Proceedings, Conference on Research for Smaller Industry, held at Penn State, May 27-28, 1953. 41 pages, figures.
P-35     Proceedings, Research Conference for Smaller Industry, held at Penn State, October 27-28, 1954. 36 pages (6 by 9 inches).
P-36     Electrical Contacts--1959, papers presented at the Engineering Seminar on Electrical Contacts, June 7-12, 1959, at Penn State, 1960. 129 pages, figures, references.
P-37     Electrical Precipitation 1959 and 1960, papers presented at the Engineering Seminar on Electrical Precipitation, June 15-19, 1959, and June 12-17, 1960, at Penn State. 1960. 175 pages, figures, references.
P-38     Electrical Contacts--1960, papers presented at the Engineering Seminar on Electrical Contacts, June 5-10, 1960, at Penn State, 1961. 129 pages, figures, references.
P-39     Electrical Precipitation Fundamentals, lectures presented at Engineering Seminars on Electrical Precipitation at Penn State by Dr. Harry J. White and Professor Gaylord W. Penney. 1961.76 pages, figures, references.
P-40     Electrical Contacts--1961., papers presented at the Engineering Seminar on Electrical Contacts, June 11-15, 1961, at Penn State, 1962. 148 pages, figures, references.
P-41     High Speed Flexible Couplings, Papers presented at the Engineering Seminar on High Speed Flexible Couplings, June 11-13, 1962, at Penn State, 1963. 211 pages, figures, references.
P-42     Wave Interaction and Dynamic Nonlinear Phenomena in Plasmas, papers presented at a research conference, February 1963, at Penn State. 1963. 239 pages, figures, references.
P-43     Machine Tool and Production Trends, papers presented at the Engineering Seminar on New Industrial Technologies, June 27-July 2, 1965, at Penn State 1965, 266 pages, figures, references.
P-44     Laser Welding and Machining, papers presented at the Engineering Seminar on New Industrial Technologies, June 27-July 2, 1965, at Penn State. 1966. 161 pages, figures, references.
P-45     Fluid Control Systems, papers presented at the Engineering Seminar on Fluid Control Systems, July 5-16, 1965, at Penn State, 1967. 304 pages, figures, references.
P-46     Laser Technology: Welding, Machining, and Safety, papers presented at the Engineering Seminar on New Industrial Technology, July 7-9, 1969, at Penn State, 1970. 159 pages, figures, references.