In bhaktipedia.org is available "Songs to the Sadhaka" by Srila Gurudeva Atulananda Acarya.
"You sit to listen to the words of the saints You want to purify yourself, "wash away the coal," finish yourself You want to fill yourself with Krsna, with goodness, with service"
The most important book of Swami B. A. Paramadvaiti, is available online. You can download it from: www.satovritteh-book.blogspot.com in pdf format. ""Sato Vritteh means to follow in the footsteps of the previous acaryas. Srila Rupa Goswami has recommended following in these footsteps as one of the six fundamental principles of success in spiritual life"