Back when I was at MBC, we purchased Floyd Nolen Jones’ An Analytical Red Letter Harmony of the Gospels. It has been a valuable resource to me, and I found this material online in its full form.
Direct Download Link: http://standardbearers.net/uploads/An_Analytical_Red_Letter_Harmony_of_the_Four_Gospels_Dr_Floyd_Nolen_Jones_PhD_ThD.pdf
As per the copyright page, the author states, “This book may be freely reproduced in any form as long as it is not distributed for any material gain or profit; however, this book may not be published without written permission.”