Trimming a horse's ears is somewhat controversial. Some people believe the ears should never be trimmed. Others will remove the hair from both the outside and inside of the ear. The traditional method, however, is to hold the horse's ear together and trim off only the untidy, excess hair. Trimming inside the ear removes the horse's protection from flies and can increase the risk of ear mites. A horse with trimmed ears should wear a fly hood when turned out. It's much easier not to trim inside the ear in the first place. Trimming only the excess looks just as neat.
1 Professional organizations and the U.S. Government Printing Office can also be indicators that a book is scholarly.  Book reviews can provide clues as to if a source is scholarly and highlight the intended audience.
Basically, historians footnote their sources for two reasons. First, footnotes are a way to acknowledge the help we have received from others who have worked on this subject before we began on it. No historian ever works in isolation; scholarly inquiry is an endeavor carried on within a community of historians.he following guidelines are loosely based on The Chicago Manual of Style. Chicago is now up to the 16th edition which is also available online through the library webpage: https://apps.carleton.edu/campus/library/find/search/dbs/ and enter: Chicago Manual of Style. See chapter 16.