Sul teorema del d'Alembert relativo alle quantità immaginarie; ragionamento.

Mode of access: Internet.

Observations faites au Cap Thordsen, Spitzberg /

Each part also has special title page

Zur Anatomie des Gehirns von Myxine.

"Literaturverzeichnis": p. 96.

Termitenstudien,

At head of title: Kungl. Svenska vetenskapsakademiens handlingar. Band 44, no. 3; 46, no. 6; 48, no. 4; 50, no. 2.

Studier öfver hudens och de körtelartade hudorganens morfologi hos Skandinaviska makrolepidopterlarver,

Mode of access: Internet.

Skandinavisches Archiv für Physiologie.

"Acta Societatis Physiologicae Scandinavicae".

Soil survey--Desert Experimental Range, Utah /

"April 1997."