You may combine the Document with other documents released - under this License, under the terms defined in section 4 above for - modified versions, provided that you include in the combination - all of the Invariant Sections of all of the original documents, - unmodified, and list them all as Invariant Sections of your - combined work in its license notice.
The combined work need only contain one copy of this - License, and multiple identical Invariant Sections may be replaced - with a single copy. If there are multiple Invariant Sections with - the same name but different contents, make the title of each such - section unique by adding at the end of it, in parentheses, the - name of the original author or publisher of that section if known, - or else a unique number. Make the same adjustment to the section - titles in the list of Invariant Sections in the license notice of - the combined work.
In the combination, you must combine any sections entitled - "History" in the various original documents, forming one section - entitled "History"; likewise combine any sections entitled - "Acknowledgements", and any sections entitled "Dedications". You - must delete all sections entitled "Endorsements."