What other authors or texts about Sai Baba are mentioned as predecessors to this work?

The text acknowledges a rich tradition of writing about saints. As detailed in Chapter 2, there was Mahipati in the year 1700 (Shaka) and Das Ganu in 1800 (Shaka). Das Ganu is noted for writing two books, 'Bhakta-Lilamrut' and 'Santa-Kathamrut', with the former containing a three-chapter description of Shri Sai's life. The text also mentions other sources for Sai's stories, including Raghunath-Savitri’s 'Bhajanmala', miscellaneous poems by Das Ganu, writings for Gujarati people by Amidas and Bhavani Metha, and a series of stories being published in Pune under the name Sai Prabha.