Elements of algebra, 1984: CIP t.p. (Leonard Euler)

Shu hsüeh ying hsiung Ou-la, 1983: t.p. (Ou-la) cover (Oula [in rom.])

Vollständige Anleitung zur Algebra, 1770: t.p. (Leonhard Euler)

Constrvctio lentivm obiectivarum ex dvplici vitro, 1762: t.p. (... Leonhardo Evlero)

Theoria motus lunae, 1753: t.p. (... L. Eulero)

LCCN 03-12754: Stäckel, P. Abhandlungen über variations-rechnung, 1894 (hdg.: Euler, Leonhard, 1707-1783; variant: Euler, L.)

World biographical information system, 21 September 2012 (Leunhard Euler, Swiss mathematician, physicist, astronomer, philosopher; born in Basel 15 April 1707; died St. Petersburg 19 September 1783)