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41MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… …
42Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
43Delrina — Former type …
44History of CP/CMS — This lengthy article explores the History of CP/CMS the historical context in which this important IBM time sharing operating system was built. It provides details to support for the main CP/CMS and History of IBM articles, drawing on source… …
45HEBREW LANGUAGE — This entry is arranged according to the following scheme: pre biblical biblical the dead sea scrolls mishnaic medieval modern period A detailed table of contents precedes each section. PRE BIBLICAL nature of the evidence the sources phonology… …
46Delhi — This article is about the National Capital Territory of India. For the capital city of India, see New Delhi. For other uses, see Delhi (disambiguation). Delhi दिल्ली …
47Condom — This article is about the transmission barrier and contraceptive device. For other uses, see Condom (disambiguation). Condom …
48Aldol reaction — The aldol reaction is a powerful means of forming carbon–carbon bonds in organic chemistry.[1][2][3] Discovered independently by …
49Channel 4 — This article is about the British television station. For other uses, see Channel 4 (disambiguation). Channel 4 Launched 2 November 1982 Owned by …
50Google Chrome — This article is about the web browser. For the operating system, see Google Chrome OS. Google Chrome …