 Callender and Debruler war @-@ pension testimonies : U.S. National Archives and Records Administration , Record Group 15 , microcopy M804 : roll 452 , frames 006 – 015 , claim no . S 40792 ( Pvt. John Callender ) ; roll 782 , frames 729 – 744 , claim no . S 35890 ( Pvt. John Debruler ) . 
