diff --git a/README.md b/README.md
index bd8040b..a7a30dc 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,7 @@ ER  -
 | DB  | db_provider    | Database provider                             |
 | DO  | doi            | DOI (Digital Object Identifier)               |
 | ET  | edition        | Edition                                       |
+| J2  | title_alt      | Alternate title                               |
 | KW  | keyword        | Keywords                                      |
 | PY  | pub_year       | Publication year                              |
 | RP  | reprint        | Reprint status                                |
diff --git a/grammar.js b/grammar.js
index 9c6675e..e895657 100644
--- a/grammar.js
+++ b/grammar.js
@@ -36,6 +36,7 @@ function id(x) { return x[0]; }
     {"name": "OTHER_TAG$subexpression$1", "symbols": ["CUSTOM"]},
     {"name": "OTHER_TAG$subexpression$1", "symbols": ["DOI"]},
     {"name": "OTHER_TAG$subexpression$1", "symbols": ["EDITION"]},
+    {"name": "OTHER_TAG$subexpression$1", "symbols": ["TITLE_ALT"]},
     {"name": "OTHER_TAG", "symbols": ["OTHER_TAG$subexpression$1"], "postprocess": ([[d]]) => d},
     {"name": "ABSTRACT", "symbols": [(lexer.has("AB") ? {type: "AB"} : AB), (lexer.has("SEP") ? {type: "SEP"} : SEP), (lexer.has("CONTENT") ? {type: "CONTENT"} : CONTENT), "__"], "postprocess": ([,,{value}]) => ({key: 'abstract'      , value})},
     {"name": "AUTHOR_ADDR", "symbols": [(lexer.has("AD") ? {type: "AD"} : AD), (lexer.has("SEP") ? {type: "SEP"} : SEP), (lexer.has("CONTENT") ? {type: "CONTENT"} : CONTENT), "__"], "postprocess": ([,,{value}]) => ({key: 'author_address', value})},
@@ -49,6 +50,7 @@ function id(x) { return x[0]; }
     {"name": "DB_PROV", "symbols": [(lexer.has("DP") ? {type: "DP"} : DP), (lexer.has("SEP") ? {type: "SEP"} : SEP), (lexer.has("CONTENT") ? {type: "CONTENT"} : CONTENT), "__"], "postprocess": ([,,{value}]) => ({key: 'db_provider'   , value})},
     {"name": "DOI", "symbols": [(lexer.has("DO") ? {type: "DO"} : DO), (lexer.has("SEP") ? {type: "SEP"} : SEP), (lexer.has("CONTENT") ? {type: "CONTENT"} : CONTENT), "__"], "postprocess": ([,,{value}]) => ({key: 'doi'           , value})},
     {"name": "EDITION", "symbols": [(lexer.has("ET") ? {type: "ET"} : ET), (lexer.has("SEP") ? {type: "SEP"} : SEP), (lexer.has("CONTENT") ? {type: "CONTENT"} : CONTENT), "__"], "postprocess": ([,,{value}]) => ({key: 'edition'       , value})},
+    {"name": "TITLE_ALT", "symbols": [(lexer.has("J2") ? {type: "J2"} : J2), (lexer.has("SEP") ? {type: "SEP"} : SEP), (lexer.has("CONTENT") ? {type: "CONTENT"} : CONTENT), "__"], "postprocess": ([,,{value}]) => ({key: 'title_alt'     , value})},
     {"name": "KEYWORD$ebnf$1", "symbols": ["LINE"]},
     {"name": "KEYWORD$ebnf$1", "symbols": ["KEYWORD$ebnf$1", "LINE"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
     {"name": "KEYWORD", "symbols": [(lexer.has("KW") ? {type: "KW"} : KW), (lexer.has("SEP") ? {type: "SEP"} : SEP), "KEYWORD$ebnf$1"], "postprocess":  ([,,lines]) =>
diff --git a/grammar.ne b/grammar.ne
index 0146465..99afd13 100644
--- a/grammar.ne
+++ b/grammar.ne
@@ -30,6 +30,7 @@ OTHER_TAG   ->  ( KEYWORD
                 | CUSTOM
                 | DOI
                 | EDITION
+                | TITLE_ALT
                 )
                 {% ([[d]]) => d %}
 
@@ -45,6 +46,7 @@ DB_NAME     ->  %DB %SEP %CONTENT __    {% ([,,{value}]) => ({key: 'db_name'
 DB_PROV     ->  %DP %SEP %CONTENT __    {% ([,,{value}]) => ({key: 'db_provider'   , value}) %}
 DOI         ->  %DO %SEP %CONTENT __    {% ([,,{value}]) => ({key: 'doi'           , value}) %}
 EDITION     ->  %ET %SEP %CONTENT __    {% ([,,{value}]) => ({key: 'edition'       , value}) %}
+TITLE_ALT   ->  %J2 %SEP %CONTENT __    {% ([,,{value}]) => ({key: 'title_alt'     , value}) %}
 
 KEYWORD     ->  %KW %SEP LINE:+
                 {% ([,,lines]) =>
diff --git a/index.js b/index.js
index 62f7c76..194b336 100644
--- a/index.js
+++ b/index.js
@@ -56,6 +56,7 @@ const to_record =
     , 'edition'       , add
     , 'pub_year'      , add
     , 'pub_loc'       , add
+    , 'title_alt'     , add
     , 'date'          , (acc, {value}) =>
                           ( acc.date = zip(['year', 'month', 'day', 'info'])(value)
                           , acc )
diff --git a/lexer.js b/lexer.js
index c92656b..d84c418 100644
--- a/lexer.js
+++ b/lexer.js
@@ -51,6 +51,7 @@ const lexer =
       , DO: /DO(?=  - )/
       , DP: /DP(?=  - )/
       , ET: /ET(?=  - )/
+      , J2: /J2(?=  - )/
       , KW: /KW(?=  - )/
       , PY: /PY(?=  - )/
       , RP: /RP(?=  - )/
diff --git a/ris-parser.feature b/ris-parser.feature
index fb2db55..ea425d0 100644
--- a/ris-parser.feature
+++ b/ris-parser.feature
@@ -88,6 +88,7 @@ Scenario Outline: Other tags
     | DP  | dbprovidedby1            | db_provider    | dbprovidedby1                                |
     | DO  | 10.1177/0003122411414817 | doi            | 10.1177/0003122411414817                     |
     | ET  | 4th Ed.                  | edition        | 4th Ed.                                      |
+    | J2  | R2D2                     | title_alt      | R2D2                                         |
     | RP  | IN FILE                  | reprint        | IN FILE                                      |
     | RP  | NOT IN FILE              | reprint        | NOT IN FILE                                  |
     | RP  | ON REQUEST (06/26/2020)  | reprint        | ON REQUEST                                   |