links compiled by Dr. Vijay Kumar M
http://www.archive.org/details/sabdakalpadrumah01devauoft
http://www.archive.org/details/sabdakalpadrumah02devauoft
http://www.archive.org/details/sabdakalpadrumah03devauoft
http://www.archive.org/details/sabdakalpadrumah04devauoft
http://www.archive.org/details/sabdakalpadrumah05devauoft