Every herb entry in Prof. Sharma’s Vol 2 typically includes:
Search for "Dravyaguna Vigyan Vol 2 P.V. Sharma." Often, publishers sell a legitimate e-book (Encrypted PDF or Kindle format) for roughly 50% of the print price. You can read it on your phone or tablet without downloading a dangerous file.
Volume 2 isn't just a copy of older texts. It is a scholarly reconstruction where Prof. Sharma cross-references major Nighantus (lexicons) like Dhanvantari Nighantu, Bhavaprakasha Nighantu, and Raja Nighantu. This saves students the Herculean effort of cross-referencing multiple ancient texts.