Append or Link: Blender 3D 2.49
Append or Link
User Preference menu >> File >> Append or Link
Select blend (that you are importing the item from)
Select Append or Link button
Append creates a separate copy of the item. It can be moved and changed.
The appended item becomes a part of the new blend file.
Link creates a link to an item in another blend. Linked items can not be moved or changed.
File Browser menu >> Append button
File Browser menu >> Link button