Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1952)
Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1953-07-10)
Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1954-07-10)
Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1955-07-10)
Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1956-07)
Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1957-07)
Oregon State System of Higher Education. Dept. of State-Wide Services; Oregon State System of Higher Education. General Extension Division(Oregon State Board of Higher Education, 1958-05-10)