A new version is available
John Ostrom's one-page Nature paper (vol. 242, p. 136, March 1973) that revived Huxley's theropod hypothesis of bird origins against the half-century Heilmann consensus — published nine months before the composition window of the first Raëlian Message. The hinge document for the article's history-of-science layer: what the dinosaur–bird connection looked like in 1973, and to whom it was visible.