Toucan Talk: Vol. 15, No. 1 January-February 1989   [1989] Toucan Talk: Vol. 15, No. 1 January-February 1989	Toucan Talk: Vol. 16, No. 2 March-April 1990   [1990] Toucan Talk: Vol. 16, No. 2 March-April 1990
Toucan Talk: Vol. 23, No. 5 September-October 1997   [1997] Toucan Talk: Vol. 23, No. 5 September-October 1997