There are copies on Amazon
The links above are wrong. This movie is available on DVD:
http://www.amazon.com/gp/product/B0007NWMII?ie=UTF8&tag=edgevideo- 20&linkCode=xm2&camp=1789&creativeASIN=B0007NWMII
and VHS:
http://www.amazon.com/gp/product/B00023ELYG?ie=UTF8&tag=edgevideo- 20&linkCode=xm2&camp=1789&creativeASIN=B00023ELYG