Sites to locate primary sources

https://wwi.lib.byu.edu/ 

https://www.nps.gov/subjects/worldwari/index.htm 

https://www.docsteach.org/topics/wwi

https://www.loc.gov/topics/world-war-i/

https://www.loc.gov/teachers/classroommaterials/primarysourcesets/world-war-i/

https://www.europeana.eu/portal/en/collections/world-war-I

https://dp.la/primary-source-sets/african-american-soldiers-in-world-war-i

http://www.eyewitnesstohistory.com/w1frm.htm

http://www.gwpda.org/

https://digitalcollections.nypl.org/collections/world-war-i-photograph-albums-and-postcards#/?tab=about

https://digital.library.unt.edu/explore/collections/wwpc/browse/?fq=untl_collection%3AWWI

http://content.libraries.wsu.edu/cdm/search/collection/propaganda

http://www.aparchive.com/compilationsclipreel/43520/19606/Conflicts_Terrorism

https://www.britishpathe.com/workspaces/page/ww1-the-definitive-collection

http://www.oucs.ox.ac.uk/ww1lit/gwa/

http://jackpeirs.org/

https://www.archives.gov/topics/wwi#event-/

https://www.bbc.co.uk/programmes/b04685bf/galleries

https://digitalcollections.nypl.org/collections/world-war-i-photograph-albums-and-postcards#/?tab=about

https://www.bl.uk/world-war-one/collection-items

https://ersterweltkrieg.bundesarchiv.de/

https://encyclopedia.1914-1918-online.net/home.html

https://www.aif.adfa.edu.au/index.html

https://www.facinghistory.org/weimar-republic-fragility-democracy/primary-sources

http://www.gutenberg.org/ebooks/15776

https://www.mtholyoke.edu/acad/intrel/ww1.htm