Works of Sri Sri Sitaram Omkarnath ji.

 http://www.omkarnathsamskritasikshasamsad.in/

Works of Baradacharan Majumder

 https://www.exoticindiaart.com/book/details/mahayogi-barada-charan-majumder-his-life-and-complete-works-NAY556/

SADGURU SANGA by SRI KULADANANDA BRHAMACHARI

https://archive.org/details/in.ernet.dli.2015.338773/page/n3/mode/2up

5 volumes.

On SRI VIJOYKRISHNA GOSWAMI.

SRI KULADANANDA BRHAMACHARI

Sri Sri Sadguru VijoyKrishna