Consistent with our role as a special collection of rare books in a major public university committed to a teaching and research mission, the History of Science Collections of the University of Oklahoma Libraries is pleased to grant permission for non-exclusive, global, media neutral use of our copyrighted digitized images without charge, subject to the following requirements:

• Please let us know of the use of any image(s).
• Please include an attribution statement such as the following: "Image(s) courtesy History of Science Collections, University of Oklahoma Libraries; copyright the Board of Regents of the University of Oklahoma." Please note the exact phrasing of our name as "Collections," plural, not "Collection"; and "Oklahoma Libraries," not simply OU.
• If an image is used in a publication, please send a complimentary copy of the published work to: History of Science Collections, University of Oklahoma, 401 W. Brooks, Rm. 521, Norman, OK 73019-0528.

	يَسمَح حامل حقوق هذا الملف لأيٍّ كان باستخدامه لأيِّ غرضٍ، بشرط نسبة المُصنَّف إِلى حامِل الحقوق بشكلٍ سليمٍ. إِنَّ إعادة التوزيع واشتقاق أعمال أخرى مِن هذا الأَصل والاستعمال التِّجاريُّ والاستعمالات الأُخرى جميعها مَسمُوحة.
	Attribution