Items
recipient is exactly
Rohrbeck and Groebler
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[LB001022], Letter from Thomas Alva Edison to Rohrbeck and Groebler, September 13th, 1875 1875-09-13 -
[LB001087], Letter from Thomas Alva Edison to Rohrbeck and Groebler, October 19th, 1875 1875-10-19 -
[NM006023], Letter from Thomas Alva Edison to Rohrbeck and Groebler, September 3rd, 1873 1873-09-03