Accepted Answer
The two alphabetic arrangements of subject records storage are that subject records may be arranged alphabetically as in the dictionary and in encyclopedic arrangement.Subject records storage is an alphabetic system which is used in order to store and as well as retrieve the records by their subject or the given topic. Thus, it is a method of coding, classifying, and filing records by subject.So here both the arrangements are alphabetic storage arrangement of subjects or the titles. Whereas, in the dictionary arrangement, all the subjects are arranged in alphabetic order behind A-to-Z primary guides. Hence, the subject records are arranged alphabetically as in the dictionary.To learn more about alphabetic storage here:https://brainly.com/question/14781285#SPJ1