1. By using the subject headings from LCSH, we can now move on to find out the call number for this book.



2. DDC Volume 4 provide fast search on the call number. The subject heading is listed alphabetically. Look for “System Design”.



3. So, the call number for this item is:

Notes:
i) The first three digit is compulsory, and follow by the other numbers that depend on how detail the cataloger want it to be.
ii) If you find direct call number, just use that number.
iii) For “BAH” behind “/”, it represent the first three letters of the author name and must be written in capital letter.