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1by Ehrt, Adolf### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1931Langensalza [etc.] J. Beltz, 1931.175 p. incl. illus. (maps) tables. 23 cm. -
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Published 1933Berlin ; Leipzig : Eckart-Verlag, 1933.188 p. : ill., 24 cm. -
3by Ehrt, Adolf### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1934Berlin : Eckart-Kampf-Verlag, 1934.135 p. : ill. ; 24 cm. -
4by Ehrt, Adolf### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1936Berlin : Leipzig : Nibelungen-Verlag, g. m. b. h., 1936.506 p. : ill. ; 29 cm. -
5by Ehrt, Adolf### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1933Berlin, Leipzig, Eckart-Verlag, 1933.183 p. illus., ports, plans, facsims., diagrs. 24 cm.