I've just seen from the Samskrita list that searchable e-texts of all 39 volumes of the New Catalogus Catalogorum are now on-line at the Vande Mataram Library Trust website.

https://vmlt.in/ncc/1?page=1  

The announcement giving details about other texts and future uploads is at: https://groups.google.com/g/samskrita/c/Jgckg4yJ8jU

Harry Spier