Belzec and Robin O'Neil

 To learn more about  Belzec, and what happened at the camp there in 1942-1943, try to find this book  by Robin O'Neil

As you can see from the cover of the book,  Robin O'Neil first published this on JewishGen Yizkor Project..

https://www.jewishgen.org/yizkor/belzec/belzec.html

https://www.jewishgen.org/yizkor/belzec/bel001.html

According to the book  the deportations from Lubaczow to Belzec took place like this:

April 1942  Estimated 2000 persons

October 1942   Estimated  2000 persons

January 1943  Estimated 2000 persons

Here is Wikipedia's text about Robin O'Neil.

https://en.wikipedia.org/wiki/Robin_O%27Neil