several text frames with only one footnote part

[Sayed Ali Mousawi]

Hi

My name is Sayedali Mousawi.

i'm originally from Afghanistan but now i live in iran.

i have a problem in indesign with footnotes.

i have a book with two part: 

1.main text

2. description

and both part have footnotes.

But the problem is that i need both footnote parts together like the left page on the picture.

(i made it manually for one page only but i need it to be done automaticly, because it's a large book in several volume )

Please HELP me.