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1著者: Arnett, Trevor, 1870-1955### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1928New York city, General education board, 1928.83 p. diagrs. 23 cm. -
2著者: Arnett, Trevor, 1870-1955### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1937New York city, General education board, 1937.2 p. l., 25 p. incl. tables. 22 cm. -
3著者: Arnett, Trevor, 1870-1955### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1938New York city, General education board, 1938.viii, 63 p. incl. tables. 2 cm.