Terry Richardson trades
| Hartford Whalers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Terry Richardson | June 14, 1979 | Ralph Klassen |  |
| St. Louis Blues acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | future considerations (Ralph Klassen ) | June 9, 1979 | Barry Gibbs | |
| Terry Richardson | ||||