Includes Abbatt, Wm.; Abrahams, A.; Abrahams, A. R.; Abrams, B. D.; Actor' Fund of America; Adams Express Co.; Aeolian Company; Aetna Life Insurance Co.; Ahuja, E.; Houchin-Aiken Co. (D. W. Aiken); Ainslee's Magazine; Ainslie Galleries; Albert, C. F.; Albertson, B.; Albuquerque Daily Newspaper; Alexander, B. E.; Alexander, P. W.; Alford, L. E.; Allemann, L.; Allen Forwarding Co.; Allen, C. J.; Allen, L. L.; Allen, W. P.; Otis Allen & Son; Aller, T. G.; American Art Galleries; American Car & Foundry Co.; American Exchange National Bank; American Express Co.; American Federation of Arts; American Fire Clay & Products Co.; American-Foreign Steel Corp.; American Golfer; American Graphophone Co.; American Historical Society Inc.; American Jewish Relief Committee; American Legion, North American; American Liberty League; American Locomotive Co.; American Operatic & Allied Arts Foundation Inc.; American Railway Express Co.; American Ring Co.; American Society of Heating & Ventilating Engineers; American Society of Mechanical Engineers; American Surety Co.; American Taxpayers League; Amor, A.; Amory, J. C.; Andersen, Capt. N. E.; Anderson Galleries; Anderson, G. B.; Anderson, J.; Anderson, L. R.; Andorra Nurseries; Andrew, V. S.; Andrews & Co.; Andrews, Maj. J. M.; Angell, E. S.; Angus Company; The Antiquarian; Antique & Decorative Arts League; D. Appleton & Co.; Architectural Forum; Armour, J. O.; Armstrong, E. J.; Army Ordnance Assn.; Arnold, O.; Philadelphia Art Alliance; Art Auction Galleries; Artisan's Savings Bank; Stanley Arthurs Historical Paintings; Ashbrook, C.; Ashbrook, Helen H.; Ashley, C.; Associated Charities; Association Against The Prohibition Amendment; Association Charities of Portland; Association of Torch Clubs; Astell, S. B.; Atlantic Deeper Waterways Convention; Atlantic Monthly; Atlantic Refining Co.; Atlas Powder Co.; Atwood, F. E.; Austin, C. A.; Autostrop; and Hutton, Prof. F. R.