La geometria non-euclidea : esposizione storico-critica del suo sviluppo.

Available on demand as hard copy or computer file from Cornell University Library.

Leçons sur les méthodes de Sturm dans la théorie des équations différentielles linéaires et leurs développements modernes, professées a la Sorbonne en 1913-1914.

Available on demand as hard copy or computer file from Cornell University Library.

Lezioni sulla teoria delle funzioni di varibile complessa e delle funzioni ellittiche.

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Grundzüge einer Wissenschaftlichen Darstellung der Geometrie des Masses; ein Lehrbuch.

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Vorlesungen über die Theorie der elliptischen Modulfunctionen,

Available on demand as hard copy or computer file from Cornell University Library.

Soap-bubbles and the forces which mould them. Being a course of three lectures delivered in the theatre of the London Institution on the afternoons of Dec. 30, 1889, Jan. 1 and 3, 1890, before a juvenile audience.

Available on demand as hard copy or computer file from Cornell University Library.

Biennial report of the Public Utilities Commission, State of Kansas.

For 2nd -<4th>, report year ends Nov. 30; 6th covers Mar. 23, 1921-June 30, 1922; 7th covers July 1, 1922, to July 1, 1924.

Master's essays.

1891/1917-1924, cover-titles.

Über die Picard'schen gruppen aus dem zahlkörper der dritten und der vierten einheitswurzel ...

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Das Integral und seine geometrischen Anwendungen.

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Grundlagen einer Krümmungslehre der Curvenscharen.

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Zahlentheorie.

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Vorlesungen über die Bernoullischen zahlen; ihren zusammenhang mit den secanten-coefficienten und ihre wichtigeren anwendungen.

Available on demand as hard copy or computer file from Cornell University Library.

Elementare Algebra; akademische Vorlesungen für Studierende der ersten Semester.

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Die Grundlagen der Theorie des logarithmischen Potentiales und der eindeutigen Potentialfunktion in der Ebene /

Available on demand as hard copy or computer file from Cornell University Library.