Checked content

File:Liber abbaci magliab f124r.jpg


Leonardo da Pisa, Liber abaci, Ms. Biblioteca Nazionale di Firenze, Codice magliabechiano cs cI, 2626, fol. 124r Source: Heinz Lüneburg, Leonardi Pisani Liber Abaci oder Lesevergnügen eines Mathematikers, 2. überarb. und erw. Ausg., Mannheim et al.: BI Wissenschaftsverlag, 1993


This is a faithful photographic reproduction of an original two-dimensional work of art. The work of art itself is in the public domain for the following reason:
Public domain This work is in the public domain in the United States, and those countries with a copyright term of life of the author plus 100 years or less.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain, and that claims to the contrary represent an assault on the very concept of a public domain". For details, see Commons:When to use the PD-Art tag.
This photographic reproduction is therefore also considered to be in the public domain.

Please be aware that depending on local laws, re-use of this content may be prohibited or restricted in your jurisdiction. See Commons:Reuse of PD-Art photographs.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

Find out about Schools Wikipedia

All five editions of Schools Wikipedia were compiled by SOS Children's Villages. By supporting vulnerable children right through to adulthood, SOS Children makes a lasting difference to the lives of thousands of people. Education is a key part of our work, and our schools provide high-quality teaching to the children in our care. Have you thought about sponsoring a child?