Bhante Sujato: Full translation of the Therīgāthā on SuttaCentral.
Caroline Rhys Davies, ed. Psalms of the Early Buddhists: I. Psalms of the Sisters available here.
Ven. Kiribathgoda Gnanananda Thero: translation The Voice of Enlightened Nuns available on suttafriends.org
Anagarika Mahendra: Theragāthāpāḷi: Book of Verses of Elder Bhikkhunis : a Contempory Translation, available from pariyatti.org
Ayya Kusuma Theri: Annotated translation of selected poems available here.
Biographies of Theris
Ayya Tathālokā Theri has an exhaustive facebook album with drawings of the enlightened nuns by Gayan Chanuka Widanapathirana, and links to original texts, commentaries and other great resources. View here.
Anandajoti Bhikkhu: a translation of the Anguttara commentary, retelling the lives of the foremost elder nuns and their teachings. Contains an embedded reading of the text with introductory comments from the translator. Read the stories here.
Ayya Tathālokā Theri has written a fascinating article, The Amazing Transformations of Arahant Theri Uppalavanna available here.
Ayya Tathālokā Theri, an analysis of the Theri Apadana, the commentaries that provide the biographies of the enlightened nuns, “Lasting Inspiration: A Look into the Guiding and Determining Mental and Emotional States of Liberated Arahant Women in Their Path of Practice and its Fulfillment as Expressed in the Sacred Biographies of the Therī Apadāna”. Available here.
Bhante Sujato: “Stories of BhaddaThe other First Bhikkhuni” in his book, White Bones Red Rot Black Snakes available here.
Anandajoti Bhikkhu has compiled exhaustive list of all bhikkhunis (not just the foremost Theris) mentioned in the Pali suttas here.
Ayya Sudhamma has a website with the bhikkhunis’ verses, their stories, recordings in Pali and English, and references for further reading.
Articles About the Therīgāthā
Fumi Yao: an article about the story of Dharmadinna, with translation from the Tibetan, Dharmadinnā Becomes a Nun: A Story of Ordination by Messenger from the Mūlasarvāstivāda Vinaya available here
Vijitha Rajapakse: Therigatha: A Revaluation, available in a variety of formats here.