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TES Global
Tes: Shakespeare's History Plays Family Tree
[Free Registration/Login Required] This is a visual of the family tree of Shakespeare's history plays which includes the lineage and also pictures from Royal Shakespeare Company productions of Richard II, Henry IV, and Henry V.
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Who's Who in Shakespeare's History Plays
Here is a color-coded family tree to help you understand how the historical characters in Shakespeare's series of history plays are connected. As a bonus, you also get a brief synopsis of each of the plays.
Smithsonian Institution
National Museum of Natural History: Human Origins: Human Family Tree
Find the human ancestor you are interested in and click on it either in the timeline or the list below for more details. Each fossil or reconstruction pictured includes links to more details about it.
Curated OER
Friesian.com: Severans
This article from friesian.com is a reference to Severus's military rule and how he was able to maintain it. Includes a family tree and links.