The brothers moved into the business of brokering tickets and then created the American Play Company in partnership with Elisabeth Marbury and John Ramsay.

[3] Upton Sinclair worked with Margaret Mayo in the summer of 1906 on a dramatization of The Jungle, which flopped after a six-week run.

Selwyn was enthusiastic about the project, and jokingly suggested that Sinclair find work with a rich family so he could learn about how these people lived.

[4] The next day a story appeared in the New York Morning Telegraph saying Sinclair was obtaining the material for his book by spying on the rich.

[8] Other pre-war plays and musicals produced by the Selwyn brothers included Under Cover (1914) and Fair and Warmer (1915).

[10] The playwright Augustus Thomas directed "the world's greatest plays enacted by distinguished stage celebrities."

Between 1913 and 1915 All-Star created Arizona, In Mizzoura, Colorado, Alabama and The Witching Hour, all written by Thomas, as well as Paid in Full (Eugene Walter) and Shore Acres (James A. Herne).

[15] In a press release dated April 14, 1917, in which Goldwyn Pictures announced the move from Solax to Universal the company stated that "Samuel Goldfish, Edgar and Archibald Selwyn and Arthur Hopkins are determined to make good the promise of twelve completed pictures by September 1..."[16] The filmed plays were not profitable, but the studio kept going with popular films that featured Lon Chaney and Will Rogers.

[20] Arch Selwyn partnered with the Shubert Brothers and William A. Brady in building the Princess Theatre, a small 299-seat auditorium on 39th street that opened in 1913.

[28] In 1922 the Selwyns partnered with Sam Harris to open two theaters on North Dearborn Avenue in Chicago.

[29] In 1919 John Golden arranged a meeting with his fellow producers Fred Zimmerman, Arch Selwyn, Florenz Ziegfeld, Jr., Winchell Smith and L. Lawrence Weber with the goal of cooperating on common issues such as censorship and ticket speculation.

Reviews were generally favorable, although Variety said there were "boresome periods of blank stupidity" and the New York Times said there was "little or nothing for the adult intelligence.

"[33] In 1922 Arch Selwyn offered Mrs. Leslie Carter the role of Lady Kitty in W. Somerset Maugham's The Circle.

The initial reviews were poor, but Pollock launched a publicity campaign that created a wave of interest and turned the play into a great success.

[2][c] Arch Selwyn continued to produce plays such as Noël Coward's Easy Virtue (1925) and This Year of Grace (1928).

[38] Paulette Goddard appeared in Selwyn's production of The Unconquerable Male, which premiered in March 1927 in Atlantic City, New Jersey.

[40] Selwyn produced Coward's Bitter Sweet (1929), an operetta, in partnership with Florenz Ziegfeld, Jr.[41] The show was praised by the New York critics, but ran for only 159 performances.

[44] Continental Varieties, a vaudeville review co-produced by Selwyn and Harold B. Franklin, opened at the Little Theatre on October 3, 1934, and ran for 77 performances.

[45] Revenge with Music was a modern version of the Spanish short story The Three-Cornered Hat by Pedro Alarcón.

[48] In April 1950 it was announced the Arch Selwyn, who had been absent from Broadway since 1939, was to co-produce the musical It's An Old Kansas Custom with Busby Berkeley and Alice Wellman Harris.