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![Mississippi State Sovereignty Commission photograph of Clarence Clay, Jo Ann [sic] Gavin and an unidentified African American male walking on a sidewalk during a demonstration protesting Secretary of Defense Robert McNamara's visit to Jackson, Mississippi, 1960s](https://crdl.usg.edu/thumbnails/mus/sovcom/mus_sovcom_99-185-0-8-1-1-1.jpg)
![Mississippi State Sovereignty Commission photograph of Jo Ann [sic] Gavin walking on a sidewalk with other demonstrators carrying protest signs during a demonstration protesting Secretary of Defense Robert McNamara's visit to Jackson, Mississippi, 1960s](https://crdl.usg.edu/thumbnails/mus/sovcom/mus_sovcom_99-185-0-10-1-1-1.jpg)
![Mississippi State Sovereignty Commission photograph of two unidentified African American males carrying protest signs while Jessie [sic] Montgomery and Jo Ann [sic] Gavin walk behind during a demonstration protesting Secretary of Defense Robert McNamara's visit to Jackson, Mississippi, 1960s](https://crdl.usg.edu/thumbnails/mus/sovcom/mus_sovcom_99-185-0-9-1-1-1.jpg)