I added several addresses in the last few days, to all three maps. To New York, I added:
P.H. Rupp, 13 Avenue A
D. Appleton & Co, Cartes De Visite, A.A. Turner, Photographer, 443 & 445 Broadway
C. Henkel, 1288 Broadway
To Philadelphia, I’ve added:
Schreiber & Son, Photographers, 818 Arch Street
Photographed by Roberts, 808 Arch Street
Fitzgerald & Co, Photographers, 828 Arch Street
To Washington DC I’ve added:
R. W. Addis, Photographer, McClee’s Gallery 308 Pennsylvania Avenue
Tasset, Artist Photographer, 925 Pennsylvania Avenue
As per my usual practice, I’m including any advertising copy found on the photographers’ verso imprints along with the address.