Books:
* "The Woman Who Would Be Queen: The Life and Writings of Kerima Polotan Tuvera" by Cristina Pantoja Hidalgo. This is the most comprehensive and recent biography of Tuvera.
* "Philippine Literature: A History and Anthology" edited by Resil Mojares. This book contains a short biographical sketch of Tuvera.
* "Filipino Writers: 1400-1941" by Virgilio Almario. This book also has a brief biography of Tuvera.
Websites:
* The National Commission for Culture and the Arts (NCCA): This website has a page dedicated to Tuvera, including her biography and a list of her works.
* The Philippine Star: This newspaper has published several articles about Tuvera, including an obituary and an article about her legacy.
* The Philippine Writers' Guild: This organization's website has a page dedicated to Tuvera, with information about her life and works.
* Wikipedia: The Wikipedia page for Kerima Polotan Tuvera provides a concise biography and information about her works.
Libraries:
* You can search for books about Tuvera in your local library's catalog.
* University libraries often have more extensive collections of materials on Philippine literature, including biographies of Filipino writers.
Archives:
* The National Library of the Philippines may have archival materials related to Tuvera, such as manuscripts, letters, and photographs.
* The UP Diliman Archives may also have materials related to Tuvera, as she was a professor at the University of the Philippines.
Remember that depending on the source, the level of detail and focus will vary. For a more comprehensive biography, the book "The Woman Who Would Be Queen" is your best bet.