*I apologize for the poor quality of some of the scans.*

- Abu'l-Rayhan al-Biruni (or Abu Rayhan Biruni): see the special website www.albiruni.nl
- Yvonne Dold-Samplonius, Dissertation:
*Book of Assumptions by Aqatun*(Kitab al-Mafrudat li-Aqatun), Amsterdam 1977. - Yvonne Dold-Samplonius, Article: Some remarks on the Book of Assumptions by Aqatun,
*Journal for the History of Arabic Science*2 no. 2 (1978), pp. 255-263. (A summary of the dissertation) - "The Geometrical Elements by Archimedes" Kitab fi'l-u.sUl al-handasiyya li-Arshimidis, Hyderabad, Osmania Oriental Publications Bureau, 1948 (source, the manuscript Patna, Bankipore 2468)
- " On tangent circles by Archimedes" fi'l-dawA'ir al-mutamAssa li-Arshimidis, Hyderabad, Osmania Oriental Publications Bureau, 1948 (source, the manuscript Patna, Bankipore 2468)
- E.B. Plooij,
*Euclid's conception of ratio and his definition of proportional magnitudes as criticized by Arabian commentators,*Rotterdam: Uitgeverij W.J. van Hengel, 1950. (Dissertation).

Part 1 = front matter + pp. 1 - 35

Part 2 = pp. 36-71 + Dutch "stellingen" (theses). - Article on the possible Arabic origin of the term "bachelor". (Note: The hypothesis in this article has not been generally accepted by scholars.)
- Biography and bibliography of C. Paul Luckey (1884-1949)
- Jamshid al-Kashi (or Kashi, or Kashani): see the special webpage http://www.jphogendijk.nl/kashi.html
- Saleh Zeki, Athar-e Baqiyeh (Istanbul 1329 H = 1911 CE) (a work in Ottoman Turkish in Arabic script on the history of mathematics in Islamic civilization, based on the author's study of unpublished Arabic manuscripts in the rich libraries of Istanbul)
- S.A. Ali, edition of Abu'l-Wafa' al-Buzjani, Baghdad: University of Baghdad, 1979.

pp. 1-21: Title page, introduction by S.A. Ali

pp. 23-53: Abu'l-Wafa', Beginning and Bab 1, 2.

pp. 55-83: Abu'l-Wafa', Bab 3-6.

pp. 85-109: Abu'l-Wafa, Bab 7-8.

pp. 111-132: Abu'l-Wafa, Bab 9.

pp. 133-156: Abu'l-Wafa, Bab 10.

pp. 157-178: Abu'l-Wafa, Bab 11, table of contents (by Dr. Ali), end page. - A. Q. Qorbani,
*Buzjani-Nameh.*Tehran 1371 A.H. solar [in Persian] - English part of: Al-Sijzi's Treatise on Geometrical Problem Solving (a fourth/tenth century text on problem solving strategies in geometry). Translated and annotated by Jan P. Hogendijk. Tehran 1996.
- G.H. Mossaheb, Hakim Omare Khayyam as an Algebraist, Tehran 1960 [in Persian]
- A.I. Sabra, Arabic edition of al-Khayyam's treatise on the difficulties in Euclid's Elements:

Risala fi sharh ma ashkala min musaradat kitab Uqlidis, Alexandria 1961. - C. Schoy, pp. 74-91 of
*Die Trigonometrischen Lehren des persischen Astronomen ... Al-Biruni*(section on the regular heptagon, including German translation of a text attributed to Archimedes) - L.Amelie Sédillot, Notice de plusieurs opuscules mathématiques qui comprendent le manuscrit arabe no. 1104, ancien fonds de la Bibliothè du roi,
*Notices et Extraits*13, Paris 1838, pp. 126-150 and figures (on texts by al-Sijzi, Ibn al-Haytham, and others) - Nederlandse vertaling [Dutch translation] van de belangrijkste delen van de tekst van Ibn al-Haytham (965- ca. 1041) over de inhoud van de bol [of the most important parts of the text by Ibn al-Haytham on the volume of the sphere]
- Arabic edition by A.S. Saidan of Nasir al-Din al-Tusi's treatise (13th century) on computation [Jawami` al-hisab bi'l-takht wa'l-turab], part 1, part 2.
- Webpage with sources relating to an anonymous Persian manuscript on practical geometry.

pp. 1-20: Preface and introduction

pp. 21-42: Chapter 1: introduction to medieval Islamic trigonometry. The "theorem that dispenses" (shakl mughni) [i.e. that makes Menelaus' transversal theorem superfluous]

pp. 43-65: Chapter 1: addition and subtraction formulae; the shadow theorem

pp. 66-84: Chapter 1: solving (plane and spherical) triangles

pp. 85-101: Chapter 2: Computation of trigonometrical tables

pp. 102-120: Chapter 2: Computation of trigonometrical tables (continued); Abu'l-Wafa.

pp. 121-139: Chapter 2: The trigonometrical tables of Ulug Beg and his computation of sin(1), the computation of sin(1) by Qadi Zadeh Rumi.

pp. 140-154: Conclusion: later history of trigonometry.

pp. 155-177: Appendix: Bibliographical data of some medieval Islamic mathematicians, from the beginning until al-Biruni.

pp. 178-203: Appendix: Bibliographical data of some medieval Islamic mathematicians, from Nasir al-Din al-Tusi to Taqi al-Din.

pp. 204-207: Appendix: Errata

Jan Hogendijk <J.P.Hogendijk_at_uu.nl>