<![CDATA[Sidelights on Relativity by Albert Einstein]]> http://www.loyalbooks.com/book/Sidelights-on-Relativity en-us © 2026 LoyalBooks.com Loyal Books clean Loyal Books feeds@loyalbooks.com http://www.loyalbooks.com/image/ui/default-feed.jpg <![CDATA[Sidelights on Relativity by Albert Einstein]]> http://www.loyalbooks.com/book/Sidelights-on-Relativity 43,200 <![CDATA[1 - Ether and the Theory of Relativity]]> More great books at LoyalBooks.com More great books at LoyalBooks.com http://www.loyalbooks.com/book/Sidelights-on-Relativity http://www.archive.org/download/sidelights_relativity_pa_librivox/sidelightsonrelativity_1_einstein_64kb.mp3 Fri, 02 Jan 2026 00:00:00 +0000 26:46 <![CDATA[2 - Geometry and Experience]]> More great books at LoyalBooks.com More great books at LoyalBooks.com http://www.loyalbooks.com/book/Sidelights-on-Relativity http://www.archive.org/download/sidelights_relativity_pa_librivox/sidelightsonrelativity_2_einstein_64kb.mp3 Thu, 01 Jan 2026 00:00:00 +0000 36:58