Śrī Caitanya Caritamrta · Text Madhya 9.11
বৈষ্ণবের মধ্যে রাম-উপাসক সব ।
কেহ ‘তত্ত্ববাদী’, কেহ হয় ‘শ্রীবৈষ্ণব’ ॥ ১১ ॥
vaiṣṇavera madhye rāma-upāsaka saba
keha ‘tattvavādī’, keha haya ‘śrī-vaiṣṇava’
At the time, all the South Indian Vaiṣṇavas were worshipers of Lord Rāmacandra. Some were Tattvavādīs, and some were followers of Rāmānujācārya.
Read Śrīla Prabhupāda's purport on Vedabase.io