1951, 1952, 1970. One typed letter signed, one autograph letter signed, and one autograph postcard signed by the controversial author of Worlds in Collision, Earth in Upheaval, and others. Velikovsky's books suggested that Earth's history was defined more by sudden catastrophes than by slow evolution. They became quite popular during the 1960s, when conventional wisdom of all sorts was being called into question. Each letter is written to a Mr. Tereshchenko: the first refutes two notions in a book by "Beaumont;" the second letter assures the recipient that the second volume of Ages [in Chaos] will be published and is being held up by Velikovsky himself; the third voices intent to send along a 1946 publication and explains that Ages in Chaos grew to a tetralogy. "Beaumont" is William Comyns Beaumont, a British author whom some claimed had advanced the notions put forward by Velikovsky a generation earlier. The first letter is secured across the midpoint fold with tape; very good. The second letter is on airmail paper; folded and opened as designed; else fine. The postcard is fine. Correspondence, or any autograph material, by Velikovsky is quite scarce, especially with significant content. [#023981] $1,750