This "Early Journal Content" program constitutes about 6% of JSTOR's total content, and includes over 500,000 documents from more than 200 journals that were published before 1923 in the United States, and before 1870 in other countries.
Este programa de contido de revistas vellas ("Early Journal Content") constitúe un 6% dos contidos totais de JSTOR, e inclúe uns 500.000 documentos de máis de 200 revistas que se publicaban antes de 1923 en Estados Unidos e antes de 1870 noutros países.