"c VAR 0278 06057 MAG ZIN 3R 912-958 MD= 1E-37 " "c REF 0278 LOC 2463 WIDTH 9 DK 39 COL 71-79 " "c " "c " "c MAGAZINE ADVERTISING, LINAGE " "c ---------------------------- " "c " "c NBER SERIES: 06057 " "c AREA COVERED: U.S. " "c UNITS: THOUSANDS OF LINES " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 01/1912-07/1958 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: SURVEY OF CURRENT BUSINESS, OCTOBER 1933, P. 20, " "c AND SUCCESSIVE ISSUES AND BI-ANNUAL STATISTICAL SUPPLEMENTS. " "c " "c NOTES: 1933-1934 DATA WERE CHECKED WITH PRINTERS' INK " "c (WEEKLY). " "c BEGINNING JANUARY 1948, THE DATA INCLUDE ADVERTISING IN " "c FARM AND SOME OTHER MAGAZINES NOT INCLUDED PREVIOUSLY. THE " "c 1948 AND FOLLOWING FIGURES ARE NOT STRICTLY COMPARABLE TO " "c EARLIER DATA. NO BACK FIGURES ARE AVAILABLE. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c "