Slide showing diagram of 'Other International Pedigree Symbols'. Slide shows a list of pedigree symbols all with corresponding explanation. Title of slide at top reads 'Other International Pedigree Symbols'. Symbols at bottom of diagram have label which reads 'Various symbols for use in a pedigree in which several different characters have to be recorded, others can be invented as needs be'. No other information present. Late 19th - early 20th century