ON THE ANALYSIS OF LIBRARY GROWTH
83
O
I9OO 1910 1920 1930 1940 1950 I960
FIGURE 26. U. S. PGpuhlion 1880-1960 with a 5.89 year correction. FIGURE 17. U. S. GtOss Nalionst Product in current dollars.
ON THE ANALYSIS OF LIBRARY GROWTH
83
O
I9OO 1910 1920 1930 1940 1950 I960
FIGURE 26. U. S. PGpuhlion 1880-1960 with a 5.89 year correction. FIGURE 17. U. S. GtOss Nalionst Product in current dollars.