Selected references to this day, on the Math's websites.
Sri Gundicha Marjan Lila Rahasya. Srila Bhakti Siddhanta Saraswati Thakur explains the secret behind the cleansing of the Gundicha Temple. An English translation of Srila Bhakti Siddhanta Saraswati Thakur's commentary on Sri Chaitanya-charitamrita: Madhya-lila, 12.135 posted on the Math's Sri GaudiyaDarshan website.
Excerpts from Sri Chaitanya Charitamrita about the pastimes of cleansing the Gundicha Temple, Madhya Lila 12.
Sri Chaitanya Mahaprabhu washed and cleansed the Gundica temple with His devotees and associates. In this way He made the temple as cool and bright as His own heart, and thus He made the place befitting for Lord Sri Krsna to sit.Read more..