Movable stationery

Vol. 10, N. 1, Movable Book Society, New Brunswick, février 2002.

Movable stationery

Vol. 10, N. 2, Movable Book Society, New Brunswick, mai 2002.

Movable stationery

Vol. 10, N. 3, Movable Book Society, New Brunswick, août 2002.

Movable stationery

Vol. 10, N. 4, Movable Book Society, New Brunswick, novembre 2002.

Alfred S. Posamentier

Math Wonders To Inspire Teachers And Students

ASCD, Alexandria 2003.

Movable stationery

Vol. 11, N. 1, Movable Book Society, New Brunswick, février 2003.

Movable stationery

Vol. 11, N. 2, Movable Book Society, New Brunswick, mai 2003.

Movable stationery

Vol. 11, N. 3, Movable Book Society, New Brunswick, août 2003.

Movable stationery

Vol. 11, N. 4, Movable Book Society, New Brunswick, novembre 2003.

Albrecht Heeffer

Récréations Mathématiques (1624). A Study on its Authorship, Sources and Influence

Ghent University, Ghent 2004.