Rhinelander Mansion (1898), Madison Avenue and 72nd Street, design credited to Kimball & Thompson "but a photograph of the mansion published at or near the end of construction included the notation that it was designed by Alexander Mackintosh, an obscure local practitioner."[4]
Carriage housing for B. Altman's horse-drawn delivery wagons (1896), which survives on West 18th Street, with completely refitted interiors[5]