After preparing an index for Greek Ollendorff, I have prepared a key. I ask for everybody's help in correcting my mistakes, typos, etc.
A pdf of the whole key is available here.
If you prefer having a printed copy, I prepared a paperback edition on Lulu.
In these posts, I link to the page of the pdf file of Greek Ollendorff where each exercise is located.
If you prefer to have a printed copy of ...