Consider the following sentence:
We see claims such as “Money is the root of all evil” [1] and “Women require time and money” [2] spread throughout research-level texts.
Here, [1] and [2] are some literature references, and the two quotations are two full sentences (which I cannot quote in original for legal reasons) stripped off their terminating periods.
My English proofreader (whom I can no longer ask) put a comma after “such as”:
We see claims such as, “Money is the root of all evil” [1] and “Women require time and money” [2] spread throughout research-level texts.
Is this comma right or wrong? Why? Any reference to a rule from a grammar book?