The ADCA files each knob under the school of ornament its pattern draws on. These are the Modern examples, in catalogue order; each opens to its record, maker and dates.
A-32600
Modern
A-32600
B-22500
Modern
B-22500
C-11700
Nugget
C-11700
C-11710
Nugget
C-11710
C-12900
Octoagon
C-12900
C-12902
Octoagon
C-12902
C-12910
Modern
C-12910
C-13100
B Design
C-13100
C-13200
Sargent Rectangle
C-13200
C-13210
C-13210
C-13215
Modern
C-13215
C-13952
Modern​
C-13952
C-14610
Errol
C-14610
C-15300
Detroit
C-15300
C-15800
Modern
C-15800
C-15900
Modern
C-15900
D-13800
Yale Towne
D-13800
D-13910
Hammered
D-13910
D-14100
Modern
D-14100
E-11720
Modern
E-11720
F-12410
Modern
F-12410
H-50402
Modern
H-50402
H-50420
Modern
H-50420
H-50430
Modern
H-50430
J-30100
Florian
J-30100
J-30101
Florian
J-30101
K-31400
Etrurian
K-31400
K-34000
Concord
K-34000
L-13600
Modern
L-13600
L-13610
Modern
L-13610
L-13710
L-13710
L-14300
L-14300
L-16400
Derbian
L-16400
L-16401
Derbian
L-16401
M-15215
M-15215
M-19120
Verticon
M-19120
M-23200
Azex
M-23200
M-32200
Modern
M-32200
N-13210
Pyramid Design
N-13210
N-22600
Modern
N-22600