4 Tientos in 4 Parts by Cabezón. These can be played by Recorder Quartet (SATB) or other instruments...
12 Grand Caprices for Alto Recorder by Bousquet.
2 Sonatas by Boismortier from 6 Sonatas for 3 Flutes and Continuo arranged for Recorder Quartet.
Fantasia by Linde on Browning's The Leaves be Green for Recorder Quintet.