| Arnot, G. | United Kingdom | 31 |
| Art & Antiquities Investment | France | 152 |
| Artenreich | Germany | 929 |
| Aymonier, H. | France | 609 |
| Bammann, H. | Germany | 73 |
| Bellinger, K. | Germany | 590 |
| Benedict, C. | France | 474 |
| Benedikt , Dr. | Germany | 61 |
| Berko | Belgium | 195 |
| Boerner, C.G. | Germany | 1 644 |
| Böhler, J. | Germany | 1 513 |
| Bouwens, C. | Netherlands | 369 |
| Brandt, P. | Netherlands | 543 |
| Brod, A. | United Kingdom | 379 |
| Caretto | Italy | 812 815 |
| Caylus | Spain | 712 |
| Cevat, H.H. | Switzerland | 333 356 |
| Chocker, E.B. | United States | |
| Colnaghi | United Kingdom | 613 644 |
| Cook, R. | United Kingdom | 502 |
| Costermans | Belgium | 1001 |
| Cramer, G. | Netherlands | 639 |
| De Heuvel, A. | Belgium | 75 171 |
| De Maere, J. | Belgium | 49 283 303 314 354 357 494 662 |
| De Meulemeester, J.-P. | Belgium | 950 |
| De Voldère, F. | France | 20 |
| Delaune Antiquités | France | 985 |
| Dickinson | United Kingdom | 335 |
| Douwes | Netherlands | 115 132 466 495 800 |
| Drey, P. | United States | 633 |
| Expertissim | France | 333 763 |
| Fach, J. | Germany | 542 |
| Fisher | Switzerland | 818 |
| Franco, F. | Belgium | 43 |
| Galartis | unk. | |
| Gans, J. | France | 154 |
| Gottschewski & Schäffer, Drs. | Germany | 62 116 117 120 121 122 123 |
| Goudstikker | Netherlands | 464 |
| Goudstikker, J. | Netherlands | 471 |
| Gresilieres, R. | France | 968 |
| Henry Street Antiques | United States | 991 |
| Hirschel | Netherlands | 1 468 |
| Houthakker, B. | Netherlands | 169 609 611 614 |
| Kate de Rothschild | United Kingdom | 673 |
| Klewer, H. | Germany | 41 808 |
| Knoedler and Co | France | 102 |
| Koetser, B. | United Kingdom | 114 146 254 |
| Koetser, D. | Switzerland | 28 168 |
| Kraus | France | 613 |
| Laurentius, F. | Netherlands | 847 |
| Lefèvre Antiquairs | Belgium | 526 |
| Lehnert, J. | Austria | 809 |
| Lilian, S. | Netherlands | 28 |
| Lodi | Germany | 148 |
| Lubbe, van der | Netherlands | 485 |
| Manteau, L. | Belgium | 116 |
| Meulemeester, J.P. | Belgium | 611 |
| Meyer, C. | unk. | 751 |
| Millet, R. | France | 260 |
| Moust, J. | Belgium | 157 850 |
| Müllenmeister, K. | Germany | 158 |
| Muller, K. | Belgium | 183 |
| Noortman | unk. | 28 |
| Nystadt, S. | Netherlands | 111 146 213 345 493 |
| Pozzi | Austria | 860 |
| Pulitzer | United Kingdom | 150 |
| Sanct Lucas | Austria | 148 |
| Scheidwimmer, X. | Germany | 41 201 |
| Schmidt, R. | Germany | 154 |
| Schreuder, R. | Netherlands | 158 |
| Schultness | Switzerland | 342 |
| Schwagermann, C.H. | Netherlands | 133 |
| Somerville & Simpson | United Kingdom | 575 |
| Steigrad, L. | United States | 5 |
| Stokking, H.J. | Netherlands | 661 |
| Stumpf | Germany | 501 |
| Tompay | France | 515 |
| Valls R. | United Kingdom | 494 |
| Van Diemen | Germany | 134 340 489 |
| Waterman | Netherlands | 28 |
| Wengraf, A. | United Kingdom | 228 |
| Wieg, Dr. A. | Netherlands | 28 494 |
| Willems, J. | Belgium | 545 |
| Wurfbain, M.L. | Netherlands | 612 |
| zu Hohenzollern-Hechingen, Fürst | Germany | 111 |