Lifar by Hoyningen-Huene, 1930

George Hoyningen-Huene (Russian, 1900-1968) :: Serge Lifar, 1930. Vogue magazine.
George Hoyningen-Huene (Russian, 1900-1968) :: Serge Lifar; Vogue ; Paris (1930) Heritage Auctions
George Hoyningen-Huene (Russian, 1900-1968) :: Serge Lifar, 1930. Vogue magazine.

Vaslav Nijinsky as Petrushka, 1911

Photograph of Nijinsky in the title role of the ballet Petrouchka (Petrushka), 1911. [Mishkin N.Y.] | src Library of Congress
Elliott & Fry :: Vaslav Nijinsky as the Rag Doll ‘Petrouchka’ (1911). Petrushka [French: Petrouchka] premiered June 13, 1911 at the Theatre du Chatelet in Paris with costume and scenery design by Alexandre Benois, music by Igor Stravinsky and choreography by Michel Fokine. | src Leo Boudreau, visit his site for more info about Petrouchka and links to the ballet’s videos
Portrait of Vaslav Nijinsky in three-quarter profile, left fist clenched before him in the title role of Petrouchka (a rag doll), 1910-1911.
Petrouchka (Choreographic work: Michel Fokine); uncredited photographer on source | src NYPL
Dover Street Studios (Photographer) :: Nijinsky, London, 1910-1911. | src NYPL
Vaslav Nijinsky in Petrushka (1911) | src San Francisco Symphony : Stravinsky Exhibition

Why are people dancing?

Marion Herrmann :: Tanzgruppe Marion Herrmann. Warum tanzen die Menschen? Tempo Magazin, 1927, Heft 2.
Arnold Genthe :: Aus Mary Wigmans Totentanz. Gestaltung durch künstlerischen Tanz [Mary Wigman’s Dance of Death]. Tempo Magazin, 1927, Heft 2
Marion Herrmann :: Tänze Marion Herrmanns zu Paul Hindemiths Mechanischer Orgel [Dances by Marion Herrmann to Paul Hindemith’s mechanical organ]. Tempo Magazin, 1927, Heft 2.

Edith von Bonsdorff, 1920s-1930s

Tanssitaiteilija (dance artist) Edith von Bonsdorff, Helsinki, Suomi (Finland), 1926-1927. | src Finnish Heritage Agency
Tanssitaiteilija (dance artist) Edith von Bonsdorff, Helsinki, Suomi (Finland), 1926-1927. | src Finnish Heritage Agency
Edith von Bonsdorff, foto: Atelier Universal, Helsingfors, 1924. | src Dansmuseet • IG
Edith von Bonsdorff, foto: Atelier Universal, Helsingfors, 1924. | src Dansmuseet • IG
Tanssitaiteilija, tanssija ja koreografi Edith von Bonsdorff, Helsinki, Suomi (Finland), 1920s. | src FHA ~ Museovirasto
Tanssitaiteilija, tanssija ja koreografi Edith von Bonsdorff, Helsinki, Suomi (Finland), 1920s. | src FHA ~ Museovirasto
Foto Comercial :: tanssija ja koreografi Edith von Bonsdorff, 1936. | src FHA ~ Museovirasto
Foto Comercial :: tanssija ja koreografi Edith von Bonsdorff, 1936. | src FHA ~ Museovirasto

German Opera House, 1937

Hedda Walther :: A girl doing dance exercises at a barre, 1937. From: German Opera House, Berlin (series). Vintage property of ullstein bild. | src Getty Images
Hedda Walther :: Ballet class. Young girls doing ballet exercises in the German Opera House, Berlin, 1937. Vintage property of ullstein bild. | src Getty Images

Rigmor Rasmussen (Uhu · 1926)

Madame d’Ora [Dora Kallmus] ~ Die dänische Tänzerin Rigmor Rasmussen. Uhu, Januar 1926, Band 2, Heft 1

Truempy dance school (1931)

Alfred Eisenstaedt :: Truempy dance school, 1931. Scanned by source (κώστας βακουφτσης) from photobook
Alfred Eisenstaedt :: Trümpy ballet school, 1931. Scanned by source (κώστας βακουφτσης) from photobook