Clicking on these  links (also on the searchable digital library entry page) 

For IAST transliteration: 

For devanagari:

 https://muktalib7.com/DL_CATALOG_ROOT/MUKTABODHA-LIBRARY-DEVANAGARI/DEV-TITLE-LINK-LIST.html

Clicking on these links bring you to a page of direct download links to the individual files . This is for individuals who just want to download a text and don't need the searchable interface.

Harry Spier