1982 National Register of Historic Places Inventory for Colonial Germantown Historic District:
"(NWC Walnut Lane) Two commercial/residential buildings, c. 1870; first floor alteration 6100 c. 1960; two and one-half stories, brick with wood trim, Second Empire style. --- Contributing."

Background:
These buildings replaced the earlier Knorr House.

Additional Sources:

• GHS: Keyser, Naaman. Manuscript Notes for v. 2 (north of Chelten), History of Old Germantown, p. 47 (unpublished typewritten notes):

  "6100-02 (Shoemaker, 5102-04)
  ...The present building was erected by Jacob Albright. It is now occupied by George C. Worthington & Co., grocers, and Warren N. Poley, druggist."