| A B C D E F G H I J K L M N O P Q R S T U V W Y Z Months Countries, Provinces, States, etc. Abbreviations I
6Use only in a heading as a designation of function (see 21.0D). | WORD/TERM | ABBREVIATION | SOURCE | | id est | i.e. | AACR2 | | Idus | Id. | AACR2 | | illustration, -s | ill. | AACR2 | | illustrator | ill.6 | AACR2 | | imienia | im. | AACR2 | | imprenta | impr. | AACR2 | | imprimerie | impr. | AACR2 | | inch, -es | in. | AACR2 | | inches per second | ips | AACR2 | | including | incl. | AACR2 | | Incorporated | Inc. | AACR2 | | index | do not abbreviate | TSLL | | indice | do not abbreviate | TSLL | | informe | inf. | TSLL | | interim | do not abbreviate | TSLL | | introduction | introd. | AACR2 | | issuance | iss. | TSLL | | issue | iss. | TSLL | | izdáaja | izd. | AACR2 | | izmenjeno | izm. | AACR2 | |