Robert Louis Stevenson | Robert De Niro | Robert E. Lee | Robert Mugabe | Robert Redford | Robert Burns | Robert Bosch GmbH | Robert | Robert A. Heinlein | Robert Schumann | Robert Browning | Robert Rauschenberg | Robert Plant | Robert Altman | Robert Mitchum | Robert Frost | Robert Southey | Robert F. Kennedy | Robert Maxwell | Robert Graves | Robert E. Howard | Robert Fripp | Robert Fisk | Robert Rodriguez | Robert Motherwell | Robert Lowell | Robert Johnson | Robert Duvall | Robert Boyle | Robert Walpole |
As a musician and orchestra leader, Pratt worked with artists including Emma Abbott (serving as her manager for a time), Emma Thursby, Anna Bishop, Robert Heller, Alice Dunning Lingard, Ema Pukšec (Ilma de Murska), and Clara Louise Kellogg.