Trude Engelhart, ca. 1928

Atelier Robertson (1927–1933) :: Dancer Trude Engelhart. From a group of four dance studies (Niddy Impekoven, Ellinor Bahrdt, Trude Engelhart and Ira Langenteels), ca. 1928. Each with the photographer’s studio stamp and handwritten annotations in pencil on the reverse. | src Ostlicht (Westlich) Photo Auction nº 14 (June, 2016) | hi-res here

Spaces (Harry Losée), 1920-22

Jane Reece :: Spaces (Dancer Harry Losée), 1920-1922. / sources wikiwand and Library of Congress / PH Filing Series Photographs / Clarence H. White School of Photography

Danseuse, circa 1933

Blanc et Demilly* :: Danseuse, vers 1933. Tirage d’exposition signé sur l’image au crayon rouge. | src Millon
Blanc et Demilly* :: Danseuse, vers 1933. Tirage d’exposition signé sur l’image au crayon rouge. | src Millon
(*) Blanc et Demilly is the name of the photographic studio in Lyon run by Théodore (Théo) Blanc and Antoine (Tony) Demilly

Danseuse, vers 1933

Blanc et Demilly* :: Danseuse, vers 1933. Tirage d’exposition signé sur l’image au crayon rouge. Au dos: cachets Blanc et Demilly. | src Drouot
Blanc et Demilly* :: Danseuse, vers 1933. Tirage d’exposition signé sur l’image au crayon rouge. Au dos: cachets Blanc et Demilly. | src La Gazette Drouot
Blanc et Demilly* :: Danseuse, vers 1933. Tirage d’exposition signé sur l’image au crayon rouge. Au dos: cachets Blanc et Demilly. | src Drouot (*) Blanc et Demilly is the name of the photographic studio in Lyon run by Théodore (Théo) Blanc and Antoine (Tony) Demilly

Art study of Anna Ludmilla, 1922

James Wallace Pondelicek :: Dryad. An art study of Anna Ludmila (sic) (b. Jean Marie Kaley). Shadowland October 1922. | src internet archive

Dancer Anna Ludmilla, 1930

Anna Ludmilla by Sasha
Sasha (Alexander Stewart) :: American ballet dancer Anna Ludmilla (b. Jean Marie Kaley) whose work included leading roles in ballets as well as Broadway musicals, 22 March, 1930. | src and hi-res Getty Images

Two dancers by Fleckenstein

Louis Fleckenstein :: [Two Women Dancing in the Woods], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Two Women Dancing in the Woods], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum
Louis Fleckenstein :: [Dancers in Garden], 1907–1943. | src The J. Paul Getty Museum