Description: About the ProjectFor more than two decades, Smithsonian Libraries and Archives (SLA) Electronic Records Program has preserved and stewarded millions of born-digital holdings in the Archives permanent collections. The term “born-digital” refers specifically to records and primary source material that is created digitally. For the past 10 years, around 50 percent of the Archives
Description: For historians of science, the name “Sarton” resonates like a deep-throated bell. Isis, the international journal that chemist and mathematician George Sarton (1884-1956) founded in Belgium in 1913, is now the premier publication of the History of Science Society. The field he envisioned is flourishing as well as continually responding to changes in science and its social
Description: There are several ways to date postcards that are seemingly undated. This page provides a few general methods for determining a time period or date for postcards.GENERAL POSTCARD CHRONOLOGY[edan-image:id=siris_sic_13846,size=250,left]Postcard producers printed cards that followed the current trends of postcards. Dates can be approximated by the material and design of a