Photographers listed in various Dubuque County Iowa Directories
1878-1879                                
Billbrough
Cutter
Mackenzie, AH
Morheiser, WH
Root,S
Wulpi,N                                                     
1881                                                                                                                   Billbrough,JE                                                                                                                                                                                                                                                                                                                                                                 Cutter,E
Harper, DW
Jordan, H
Morheiser, WH
Root, S
Wulpo, N
1890-91
Billbrough,JE
Bush, CT
Jordan, HA
Lenz Bros.
McKensie,A
Morheiser, WH
1908
Bush
Douglass
Hammond
Lenz
McCaffrey
McKenzie
Mould
Niemeyer
Pierce
Preitauer
Scheller
1909
Bush
Lenz
McKenzie
Mould
Niemeyer
Packwood
Preitauer
Rigdon
Scheller