Spencer, K. A.: Flycatcher. Memoirs of an amateur entomologist. – SPB Academic Publishing bv; The Hague (1992). XVI + 414 S., 22 Abb.; Preis: 105$. ISBN 90-5103-072-x
Spencer, K. A. 1992: Flycatcher. Memoirs of an amateur entomologist.- SPB Academic Publishing bv, The Hague. 414 pp. IBSN 90-5103-072-X. Price DFL 190.