Historical information
Includes Emerald Museum in listing.
Physical description
48 p. ; Includes bibliography. 2nd edn. 1st edn. 1990. ISBN 0724196802 / 0724199357.
Includes Emerald Museum in listing.
48 p. ; Includes bibliography. 2nd edn. 1st edn. 1990. ISBN 0724196802 / 0724199357.