| Pages 4, 6, 8, 12, 20, 22, 24 and 26, McDonald Products Corporation, 2685 Walden Avenue, Buffalo, N.Y. 14225 Publication date unknown. |
| Sell Sheet, Tenex Corporation, 185 E. Estes Avenue, Elk Grove Village, Ill. 60007-5471 Publication date unknown. |
| Page 24, Park Sherman, a division of Ketcham & McDougall Inc., 465 Eagle Road Avenue, Roseland, N.J. 07068 Publication date 1985. |
| Catalog Page, Park Sherman, a division of Ketcham & McDougall Inc., 465 Eagle Rock Avenue, Roseland, N.J. 07068 Publication date unknown. |
| Pages 3, 4, 11, 15, 23, 24, 25 and 28, Eldon Office Products, P.O. Box 22667, Long Beach, CA 90801-5667 Publication date Jan. 1990. |
| Pages, 4, 5, 6, 7, 8, 9, 10 and 12, Eldon Office Products, P.O. Box 22667, Long Beach, Calif. 90801-5667 Publication date unknown. |
| Sell Sheet, MicroComputer Accessories Inc., 5405 Jandy Place. P.O. Box 66911, Los Angeles, Calif. 90066-0911 Publication date Apr., 1989. |
| Catalog Page, Rubbermaid Incorporated, 1147 Akron Road, Wooster, Ohio 44691 Publication date 1987. |
| Pages 4, 5, 6, 8 and 10, Rubbermaid Commerical Products Inc., 3124 Valley Avenue, Winchester, Va. 22601 Publication date 1986. |
| Pages 8 and 9, W. T. Rogers, 1401 West Badge Road, P.O. Box 4327, Madison, Wis. 45015 Publication date unknown. |