In this 24th annual survey, prices for U.S. periodicals and serial services indicate 9.4% and 7.4% increases respectively over 1983 subscription rates. Average pricing information by subject category is provided for each year since 1977, and criteria for inclusion of titles in indexes is explained. (EJS)

Prices for U.S. periodicals and serial services indicate 14.5 and 11.3 percent increases respectively over 1981 subscription rates. Using 1977 as the base year, average pricing information by subject category is provided for each year since 1977. Criteria for inclusion of titles in the indexes is explained. (EJS)

Prices for U.S. periodical and serial services reveal 13.3 and 13.2 percent increases respectively over 1980 subscription rates. Average pricing information by subject category is provided for each year since 1970 and compared against 1967-69, 1977-79, and 1977 indexing bases. (RAA)