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172 vol. I, were authoritative when published. See also Fettweis (1923), Gadd (1922), Karpinski (1917, 1926), Loeffler (1912), Meissner (1925), Ungnad (1916), Vetter (1926), and Weidner (1916).

1907

, editor and translator, Der Bericht des Simplicius iiber die Quadraturen des Antiphon und des Hippokrates, Leipzig, 1907.

"Die Kreisquadratur bei den Ägyptern," pp. 85-87.

, "Zur altägyptischen Bruchrechnung," Archiv der Mathematik und Physik, series 3, vol. 12, 1907, p. 377.

1908

, Geschichte der Mathetnatik, I. Teil, Von den ältesten Zeiten bis Carlesius, Leipzig, 1908, pp. 24-35.

Descriptive and critical.

"Das ägyptische Zeichen für die Quadratwurzel," Mitteilungen zur Geschichte der Medizin und der Naturwissenschaften, vol. 7, 1908, pp. 337-338.

1909

, "Drevne egipetskaya matematika v epokhu vladui chestva giksov" [The old Egyptian mathematics during the reign of the Hyksos kings], Zhurnal Ministerstva Narodnago Prosvycshcheniya[, St. Petersburg, October 1909, part 2, pp. 290-328; November, part 2, pp. 1-50.

In so far as this relates to the Rhind papyrus Bobynin makes a new study of the work [compare Bobynin (1882, 1905)] and comes to the conclusion that "it is a collection of known results in arithmetic and practical geometry, containing the germ of all mathematical literature which later sprang up. It is a book of reference of theoretical and practical mathematics for farmers, surveyors, and architects, a text-book, and finally a work for the needs of the investigator himself, dealing with questions not yet solved." (Jahrbuch über die Fortschritle der Mathetnatik.)

, Catalogue of the Demotic Papyri in the John Rylands Library, Manchester, vol. 3, 1909, quarto.

"Numerals," pages 415-418. "The chief sources for numerals in these papyri, apart from the dates, are the dowries, collected together on pp. 269-271, and the account papyrus No. XL, transcribed on pp. 292-6." Reference may also