1. {n. d.}. DIYHistory | Transcribe. https://diyhistory.lib.uiowa.edu/ {n. d.}. DIYHistory | Transcribe. https://diyhistory.lib.uiowa.edu/
2. {n. d.}. Feature Article - Historical Thinking Winter 2010- Teaching with Primary Sources | Teacher Resources - Library of Congress. http://www.loc.gov/teachers/tps/quarterly/historical_thinking/article.html {n. d.}. Feature Article - Historical Thinking Winter 2010- Teaching with Primary Sources | Teacher Resources - Library of Congress. http://www.loc.gov/teachers/tps/quarterly/historical_thinking/article.html
3. {n. d.}. Incite | Crowdsourced Analysis of Omeka Documents | Virginia Tech. http://incite.cs.vt.edu/ {n. d.}. Incite | Crowdsourced Analysis of Omeka Documents | Virginia Tech. http://incite.cs.vt.edu/
4. {n. d.}. Smithsonian Digital Volunteers. https://transcription.si.edu/ {n. d.}. Smithsonian Digital Volunteers. https://transcription.si.edu/