Philosophical Notebooks

一分为二是毛泽东哲学思想的术语，用于表述辩证法的对立统一规律。其概念源自列宁的《哲学笔记（英语：Philosophical Notebooks）》。 《黄帝内经·太素·知石》：“一分为二，谓天地也。”邵雍《皇极经世绪言》卷七：“太极既分，两仪立矣。阳上交于阴，阴下交于阳，四象生矣……是故一分为二，二分为四。”

Native American Mythology. Paul Radin's Winnebago Notebooks （页面存档备份，存于互联网档案馆） at the American Philosophical Library. Paul Radin Papers （页面存档备份，存于互联网档案馆） at

Making of an Icon, W. W. Norton, 2000, pp. 45–50. Reborn: Journals and Notebooks 1947–1963, ed. D. Rieff, Farrar, Straus and Giroux, 2008, pp. 188–89.

Hottinger's glossary published in the OA e-journal "Carnets de Géologie - Notebooks on Geology" （页面存档备份，存于互联网档案馆） CHRONOS has several foraminifera resources，including

manuscripts including over one thousand sermons, private theological and philosophical notebooks, correspondence, printed materials, and artifacts from the Beinecke