found: Union list of artist names, via WWW, July 26, 2008(Beggarstaff Brothers (British painters, illustrators, and poster designers, active 1893-1899); pseudonym adopted by brothers-in-law William Nicholson and James Pryde while collaborating in the 1890s as poster artists; variants: Brothers Beggarstaff; J. & W. Beggarstaff; J. and W. Beggarstaff; Beggarstaffs, The; The Beggarstaffs; Record type: Corporate Body)
found: Wikipedia, July 26, 2008(under William Nicholson (artist): Nicholson's partnership with James Pryde, his brother-in-law, was conspicuous for striking graphical work and woodcuts--they were known as the Beggarstaff Brothers, and their poster work was significant historically)
found: Yaneff.com Web site, July 26, 2008(The Beggarstaffs (Sir William Nicholson, English, 1872-1949 & James Pryde, Scottish, 1866-1941); under the pseudonym, they virtually created the modern poster)
