SI
Engraving of lizard species "Phrynosoma regale, Doliosaurus m'callii"
Baird, Spencer Fullerton
1859
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Spencer Fullerton Baird
SISpencer Fullerton Baird's Pet Dog "Neptune"
SISpencer Fullerton Baird
SIPortrait of Spencer Fullerton Baird (1823-1887)
SICopy of Letter from Robert Ridgway to Spencer Fullerton Baird, dated January 31, 1876
SISecretary Spencer Fullerton Baird's Office in the Smithsonian Institution Building
SI