You can join, I am useing copy of "Twila Mae Lugar" as back up documentation, Elizabeth is listed on her app. also I was told there is a book that Twila Mae Lugar wrote, if you can find a copy of that you can use it. Census report can be used. I have done app on my grandmother, I used census report, and other members "DAR" app. I am waiting, the more documents you provided the faster it goes. There are DAR appls on line for Adam Lugar family you should check it out, maybe someone in your link, has provided documentation attach to their app that you don't know about or have. (bible page was attach to my grandmother) they took page right out of the bible.