Hinkelmann, C. (1999). Eastern Long-tailed Hermit (Phaethornis superciliosus). Pp. 541 in: del Hoya, J., Elliott, A. & Sargatal, J. eds (1999). Handbook of the Birds of the World. Vol. 5. Barn-owls to Hummingbirds. Lyxn Edicions, Barcelona. ISBN 84-87334-25-3