The Bluebook
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Index

“Id.,” use of, 12–13, R4.1

cases, R10.9

Idaho

citation rules and style guides, BT.2
sources of law, B5.1.3, BT.2, T.1

Illinois

citation rules and style guides, BT.2
sources of law, B5.1.5, BT.2, R10.7, R12.4(a), T.1

Implied holdings, indication of, R10.6.1(a)
“In re,” in case names, B5.1.1, R10.2.1(b)
In rem jurisdiction, B5.1.1, R10.2.1(a), R10.2.1(d)
“In the matter of,” abbreviated to “In re,” B5.1.1, R10.2.1(b)
“In,” use of, R1.6(a), R15.5.1
“Inc.,” in case names, B5.3, R10.2.1(c), R10.2.1(h)
Inclusive numbers, R3.2-R3.3
Income tax materials (see Tax materials)
India

sources of national law, T.2

Indiana

citation rules and style guides, BT.2
sources of law, BT.2, R12.3.2, T.1

Indian Nations (see Navajo Nation and Oklahoma Native Americans)
Informal opinions on professional responsibility, R12.8.6
“Infra,” use of, R3.5
Initials

authors of books and pamphlets, R15.1
authors of periodicals, R16.1, R16.6.8
closing up of, R6.1(a)
commonly abbreviated names, R.6(b)
editors, R15.2
parties in case names, R10.2.1(g)
punctuation of, R.6(b)
translators, R15.2

Insertions in quotations, R5.1
Institutes of Gaius, T.2
Institutes of Justinian, T.2
Institutes, regular publications by, R16.6.7
Institutional authors, R15.1(c)
Inter-American Commission on Human Rights, R21.1(b), R21.5.4, T.3
Intergovernmental organization materials (see also U.N. materials)

abbreviated names, T.3
arbitrations, R21.1(c), R21.6
basic citation forms, R21.1, R21.12
cases, R21.5
Common Market, R21.5.2(b), R21.8.2-R21.8.4, T.3
Council of Europe, R21.8.3
Court of Justice of the European Communities, R21.1(b), R21.5.2, T.3
courts, R21.1(b), R21.5.1
debates, European Parliamentary Assembly, R21.8.2(b), T.3
document number of League of Nations materials, R21.8.1, T.3
document number of U.N. materials, R21.1(d), R21.7
European Commission of Human Rights, R21.5.3, T.3
European Union, R21.1(b), R21.5.2, R21.8.2-R21.8.4, T.3
European Court of Human Rights, R21.1(b), R21.5.3, T.3
founding documents, U.N., R21.4
General Agreement on Tariffs and Trade, R21.8.4
generally, R21.7-R21.8, T.3
Inter-American Commission on Human Rights, R21.1(b), R21.5.4, T.3
International Court of Justice, R21.1(b), R21.5.1, T.3
League of Nations, R21.8.1, T.3
League of Nations covenant, R21.8.1
League of Nations Treaty Series (L.N.T.S.), T.3, T.4
number, League of Nations documents, R21.8.1
number, U.N. document, R21.1(d), R21.7.1
number, U.N. sales, R21.7.7
official records, U.N., R21.7
order of citation, R1.4(g)
Permanent Court of International Justice, R21.5.1
Reports of International Arbitral Awards, United Nations, T.5
sales number of U.N. materials, R21.7.7
sources, T.3
treaty sources, T.4
United Nations Treaty Series (U.N.T.S.), T.3
yearbooks, international, R21.10
yearbooks, U.N., R21.7.9

Interim orders, R10.1
Internal Revenue Code

citation to other than current code, R12.8.1
court documents and legal memoranda, citations in, B6.1.5
generally, B6.1.5, R12.8.1
legislative history, R13.6
supplements, R12.8.1
unofficial codes, R12.8.1
year, R12.8.1

Internal Revenue Commissioner, in case names, R10.2.1(j)
“Internal Revenue,” omitted in case names, R10.2.1(j)
Internal revenue regulations and rulings, B6.1.5, R14, R14.5.2
International agreements

American treaties, R21.1, R21.4
basic citation forms, R21.1(a), R21.4
bilateral, R21.1(a), R21.4.5(a)
citation, basic form of, R21.1(a), R21.4
citation order, R1.4(c)
compilations of agreements, T.4
components of citation, R21.4
country names, R21.4.2
date, R21.4.4
entry into force, R21.4.4
Executive Agreement Series (E.A.S.), T.4
foreign language, titles in, R20.2.2
foreign sources, (see name of jurisdiction)
intergovernmental organization materials, R1.4(g), R21.8-R21.9, R21.12(c), T.3
language of source, R20.2
League of Nations Treaty Series (L.N.T.S.), T.3, T.4
multilateral, R21.1(a), R21.4.5(a)
name, R21.4.1
official sources, T.4
opening for signature, R21.4.4
order within signal, R1.4(c)
parallel citation, R21.4.5
parties to, R21.4.2
popular name, R21.4.1(b)
short citation forms, R21.12
sources, intergovernmental, T.4
sources, official, foreign, (see name of jurisdiction)
sources, official, U.S., T.4
sources, unofficial, T.4
State Department sources, R21.4.5(a)
Statutes at Large (Stat.), T.4
subdivisions, R21.4.3
subject matter, R21.4.1(a)
title, R21.4.1
Treaties and Other International Acts Series (T.I.A.S.), R21.4.5(a), T.4
Treaty Series (T.S.), R21.4.5, T.4
United Nations Treaty Series (U.N.T.S.), R21.4, T.3, T.4
United States
U.S. a party, R21.1(a), R21.4.1R21.4.5
U.S. not a party, R21.1(a), R21.4.5(b)
U.S. Treaties and Other International Agreements (U.S.T.), R21.4.3, T.4
year, R21.4.4

International Court of Justice, R21.1(b), R21.5.1, T.3
International law

arbitrations, R21.1(c), R21.6
cases, R21.1(b), R21.5
Common Market, R21.1(b), R21.5.2(b), T.3
Council of Europe, R21.8.3
courts, R21.5
digests, R21.11
European Union, R21.1(e) , R21.5.2-R21.5.3, R21.8.2
generally, R21

intergovernmental organizations, R21.7-R21.8, T.3
international agreements, R21.4
League of Nations, R21.8.1
short citation forms, R21.12
treaties, R21.4
U.N., R21.7
yearbooks, international, R21.10
yearbooks, U.N., R21.7.9

International Law Reports, R21.5.8
International Legal Materials (I.L.M.), R21.4.5(c)
International materials

arbitrations, R21.6
basic citation forms, R21.1
cases, R21.5
Common Market, R21.1(b), R21.5.2(b), T.3
Council of Europe, R21.8.3
digests, R21.11
European Union, R21.1(e), R21.5.2, R21.8.2
generally, R21
international agreements, R21.4
jurisdiction, R21.3
League of Nations, R21.8.1
non-English language documents, R20.2, R21.2
periodicals, R20.6
short citation forms, R21.12
treaties, R21.4
treaty series, R21.4.3, T.4
U.N., R21.7
yearbooks, international, R21.10
yearbooks, U.N., R21.7.9

International organization materials

(see Intergovernmental organization materials)

Internet sources

archival, R18.2.3(f)
authentic or official, R18.1, 18.2.1
authors, Internet citations, R18.2.2
basic citation principles, R18.2-R18.2.1
blogs, R18.2.4
cases, R18.2.3(b)
date, R18.2.2(b), R18.2.3(e)
document format, R18.2.1(c)
e-mail, R18.2.4
explanatory parentheticals, R18.2.1-R18.2.2, R18.2.4
generally, R18.2
online postings, R18.2.4
order of authorities, R18.2.2(c)
pagination R18.2.2(b)
parenthetical information, R18.2.2(c), R18.2.4
PDF files, R18.2.1(c)
periodicals, R18.2
pinpoint citation, R18.2.3(d)
preservation of information, R18.2.3(e)
official or authenticated, R18.1(a), R18.2.1
short forms, R18.7(c)
statues, R12.2.1(b), R12.5, R12.10(c), R18.3 
title, Internet citations, R18.2.3(c)
typeface, direct Internet citations, R18.2.3(b)
URL, R18.2.1(a)

Interviews, citation of, R17.1.4
Introductions, citation of, R15.6
Introductory signals (see Signals)
Invalidated statutes, R12.6.1
“Invalidated by”

in statute citation, R12.6.1

Invalidation, citation of, R12.6.1
Iowa

citation rules and style guides, BT.2
sources of law, T.1

“I.R.C.” replacing “26 U.S.C.,” B6.1.5, R12.8.1, T.1
Iran, Islamic Republic of

sources of national law, T.2

Iraq, Republic of

sources of national law, T.2

Ireland, Northern, T.2, T.2

Ireland, Republic of

sources of national law, T.2
treaty source, T.2

Israel

sources of national law, T.2
treaty source, T.2

Italicization (see also Typeface)

in court documents, B2
emphasis, R7(a)
equations, R7(e)
foreign words, R7(b)
hypothetical parties, R7(c)
mathematical expressions, 
R7(e)
stylistic purposes, R7(a)

Italy, Republic of

sources of national law, 285–86
treaty source, 285–86