While respecting copyright and traditional preservation ethics, here are the best portals to find these rare texts:
A community-driven repository. They host several Saswara texts, though you must verify the swara encoding. Look for files labeled with Svaras or Swarayukta . They use a unique ASCII representation (e.g., a1 for Udatta, a_ for Anudatta). Saswara Veda Mantra Sanskrit Pdf
Finding accurate PDFs with the correct markings (horizontal lines below for Anudātta and vertical lines above for Svarita ) can be tricky. Here are some trusted platforms to explore: Saswara Veda Mantra PDF Download - Scribd a1 for Udatta
A: Use a Vedic Sanskrit keyboard (e.g., Google Input Tools) and select the "Vedic" keyboard layout. Use the keys ] for Udatta, [ for Anudatta, etc. [ for Anudatta