bibliographical vs bibliographic

bibliographical and bibliographic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bibliographical	No	Yes	No	No
bibliographic	No	Yes	No	No

As adjectives, bibliographical and bibliographic are synonyms defined as:

bibliographical and bibliographic: relating to or dealing with bibliography

bibliographical (adjective)	bibliographic (adjective)
relating to or dealing with bibliography	relating to or dealing with bibliography