The life and works of J. C. Kapteyn - Hertzsprung-Kapteyn, Henrietta, b. 1881.; Paul, Erich Robert, 1943- (Dordrecht : Kluwer Academic, 1993)
An annotated translation with preface and introduction by E. R. Paul.
"Reprinted from Space Science Reviews, Volume 64, Nos. 1-2, 1993."
Includes bibliographical references (p. 91-92).
Keywords: Kapteyn, J. C. -- 1851-1922.; Astronomy -- Netherlands -- History; Astronomers -- Netherlands -- Biography