Avesta word for "praise-song" (Bartholomae: "Lobgesang"); that word is not actually attested in any text. The surviving texts of the Avesta, as they exist today, derive from a single master copy produced by Sasanian Empire-era (224–651 CE) collation and recension. That master copy, now lost, is known as the 'Sassanian archetype'. The oldest surviving manuscript ("K1") of an Avestan language text is dated 1323 CE. Summaries of the various Avesta texts found in the 9th/10th century texts of Zoroastrian tradition suggest that a significant portion of the literature in the Avestan language has been lost. Only about one-quarter of the Avestan
Invading the Sacred Courtright's sexual interpretation of Gaṇeśa." According to Das, criticism of "Freudian psychoanalysis as a surrogate religion" are as old as psycho-analusis itself, and the criticism of "Invading the Sacred" is therefor not surprising. In critique of the book, Das notes a "failure to distinguish properly between academia and public life outside this." Das further notes that Das also notes a lack of academic qualifications, and a lack of scholarly rigor, by the authors of "Invading the Sacred". He raises concerns with the author's inability to use primary materials: Das further notes that "[n]ot only sound analysis of primary sources, but