Citation, Documentation of Sources

Q. Is there any acceptable way for an author to distinguish between endnotes that convey additional information and those that simply provide a reference citation? I get very tired of chasing down a dozen who-cares citations to occasionally glean a gem of real information.

A. It’s fairly common for writers of scholarly books to use footnotes for discursive material and endnotes for citations. But to flag two different types of endnotes somehow in the text? That seems potentially fussy and confusing.