diff --git a/README.md b/README.md
index c75211a..fcb5463 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 Lists of available value sets in MD
 ============================================
 
-This repository contains a PHP file listing all licenses available to set at
+This repository contains lists of allowed values for values from lists at
 museum-digital.
+
+## Covered thus far are ...
+
+- Licenses
+- Languages
diff --git a/src/MDLanguagesSet.php b/src/MDLanguagesSet.php
new file mode 100644
index 0000000..3361443
--- /dev/null
+++ b/src/MDLanguagesSet.php
@@ -0,0 +1,205 @@
+<?PHP
+/**
+ * Contains a class for controlling the list of available languages.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+
+/**
+ * Class containing static functions for getting available languages.
+ */
+class MDLanguagesSet {
+
+    const AVAILABLE_LANGUAGES = [
+        'aa' => 'Afar-áf',
+        'ab' => 'аҧсуа бызшәа',
+        'ae' => 'Avestan',
+        'af' => 'Afrikaans',
+        'ak' => 'Akan',
+        'am' => 'Amharic',
+        'an' => 'Aragonese',
+        'ar' => 'العربية',
+        'as' => 'Assamese',
+        'av' => 'Avaric',
+        'ay' => 'Aymara',
+        'az' => 'Azerbaijani',
+        'ba' => 'Bashkir',
+        'be' => 'беларуская мова',
+        'bg' => 'български език',
+        'bh' => 'Bihari',
+        'bi' => 'Bislama',
+        'bm' => 'Bambara',
+        'bn' => 'Bengali',
+        'bo' => 'བོད་སྐད',
+        'br' => 'Breton',
+        'bs' => 'Bosnian',
+        'ca' => 'català',
+        'ce' => 'Chechen',
+        'ch' => 'Chamorro',
+        'co' => 'Corsican',
+        'cr' => 'Cree',
+        'cs' => 'čeština',
+        'cu' => 'словѣньскъ ѩзыкъ',
+        'cv' => 'Chuvash',
+        'cy' => 'Welsh',
+        'da' => 'Danish',
+        'de' => 'Deutsch',
+        'dsb' => 'Dolnoserbšćina',
+        'dv' => 'Divehi; Dhivehi; Maldivian;',
+        'dz' => 'Dzongkha',
+        'ee' => 'Ewe',
+        'egy' => 'Egyptian language',
+        'el' => 'ελληνικά',
+        'en' => 'English',
+        'eo' => 'Esperanto',
+        'es' => 'Spanish; Castilian',
+        'et' => 'Estonian',
+        'eu' => 'Basque',
+        'fa' => 'Persian',
+        'ff' => 'Fula; Fulah; Pulaar; Pular',
+        'fi' => 'Finnish',
+        'fj' => 'Fijian',
+        'fo' => 'Faroese',
+        'fr' => 'French',
+        'fy' => 'Western Frisian',
+        'ga' => 'Irish',
+        'gd' => 'Scottish Gaelic; Gaelic',
+        'gl' => 'Galician',
+        'gn' => 'Guaraní',
+        'grc' => 'Ancient Greek',
+        'gu' => 'Gujarati',
+        'gv' => 'Manx',
+        'ha' => 'Hausa',
+        'he' => 'Hebrew (modern)',
+        'hi' => 'Hindi',
+        'ho' => 'Hiri Motu',
+        'hr' => 'Croatian',
+        'hsb' => 'Hornjoserbšćina',
+        'ht' => 'Haitian; Haitian Creole',
+        'hu' => 'Magyar',
+        'hy' => 'Armenian',
+        'hz' => 'Herero',
+        'ia' => 'Interlingua',
+        'id' => 'Bahasa Indonesia',
+        'ie' => 'Interlingue',
+        'ig' => 'Igbo',
+        'ii' => 'Nuosu',
+        'ik' => 'Inupiaq',
+        'io' => 'Ido',
+        'is' => 'Icelandic',
+        'it' => 'Italian',
+        'iu' => 'Inuktitut',
+        'ja' => 'Japanese (ja)',
+        'jv' => 'Javanese (jv)',
+        'ka' => 'Georgian',
+        'kg' => 'Kongo',
+        'ki' => 'Kikuyu, Gikuyu',
+        'kj' => 'Kwanyama, Kuanyama',
+        'kk' => 'Kazakh',
+        'kl' => 'Kalaallisut, Greenlandic',
+        'km' => 'Khmer',
+        'kn' => 'Kannada',
+        'ko' => 'Korean',
+        'kr' => 'Kanuri',
+        'ks' => 'Kashmiri',
+        'ku' => 'Kurdish',
+        'kv' => 'Komi',
+        'kw' => 'Cornish',
+        'ky' => 'Kirghiz, Kyrgyz',
+        'la' => 'Latin',
+        'lb' => 'Lëtzebuergesch',
+        'lg' => 'Luganda',
+        'li' => 'Limburgish, Limburgan, Limburger',
+        'ln' => 'Lingala',
+        'lo' => 'Lao',
+        'lt' => 'lietuvių kalba',
+        'lu' => 'Luba-Katanga',
+        'lv' => 'Latvian',
+        'mg' => 'Malagasy',
+        'mh' => 'Marshallese',
+        'mi' => 'Maori',
+        'mk' => 'Macedonian',
+        'ml' => 'Malayalam',
+        'mn' => 'Mongolian',
+        'mr' => 'Marathi (Mara?hi)',
+        'ms' => 'Malay',
+        'mt' => 'Maltese',
+        'my' => 'Burmese',
+        'na' => 'Nauru',
+        'nb' => 'Bokmål',
+        'nd' => 'North Ndebele',
+        'ne' => 'Nepali',
+        'ng' => 'Ndonga',
+        'nl' => 'Nederlands',
+        'nn' => 'Nynorsk',
+        'no' => 'Norsk',
+        'nr' => 'South Ndebele',
+        'nv' => 'Navajo, Navaho',
+        'ny' => 'Chichewa; Chewa; Nyanja',
+        'oc' => 'Occitan',
+        'oj' => 'Ojibwe, Ojibwa',
+        'om' => 'Oromo',
+        'or' => 'Oriya',
+        'os' => 'Ossetian, Ossetic',
+        'pa' => 'Panjabi, Punjabi',
+        'pi' => 'Pali',
+        'pl' => 'Polish',
+        'ps' => 'Pashto, Pushto',
+        'pt' => 'Português',
+        'qu' => 'Quechua',
+        'rm' => 'Romansh',
+        'rn' => 'Kirundi',
+        'ro' => 'Română',
+        'ru' => 'Russian',
+        'rw' => 'Kinyarwanda',
+        'sa' => 'Sanskrit (संस्कृत)',
+        'sc' => 'Sardinian',
+        'sd' => 'Sindhi',
+        'se' => 'Northern Sami',
+        'sg' => 'Sango',
+        'si' => 'Sinhala, Sinhalese',
+        'sk' => 'Slovenčina',
+        'sl' => 'Slovenščina',
+        'sm' => 'Samoan',
+        'sn' => 'Shona',
+        'so' => 'Somali',
+        'sq' => 'Albanian',
+        'sr' => 'Serbian',
+        'ss' => 'Swati',
+        'st' => 'Southern Sotho',
+        'su' => 'Sundanese',
+        'sv' => 'Swedish',
+        'sw' => 'Swahili',
+        'ta' => 'Tamil',
+        'te' => 'Telugu',
+        'tg' => 'Tajik',
+        'th' => 'ภาษาไทย',
+        'ti' => 'Tigrinya',
+        'tk' => 'Turkmen',
+        'tl' => 'Tagalog',
+        'tn' => 'Tswana',
+        'to' => 'Tonga (Tonga Islands)',
+        'tr' => 'Türkçe',
+        'ts' => 'Tsonga',
+        'tt' => 'Tatar',
+        'tw' => 'Twi',
+        'ty' => 'Tahitian',
+        'ug' => 'Uighur, Uyghur',
+        'uk' => 'Ukrainian',
+        'ur' => 'اردو',
+        'uz' => 'Uzbek',
+        've' => 'Venda',
+        'vi' => 'Vietnamese',
+        'vo' => 'Volapük',
+        'wa' => 'Walloon',
+        'wen' => 'Sorbisch',
+        'wo' => 'Wolof',
+        'xh' => 'Xhosa',
+        'yi' => 'Yiddish',
+        'yo' => 'Yoruba',
+        'za' => 'Zhuang, Chuang',
+        'zh' => 'Chinese',
+        'zu' => 'Zulu'
+    ];
+
+}
diff --git a/src/MDLicensesSet.php b/src/MDLicensesSet.php
index 3a6a5cf..28623ad 100644
--- a/src/MDLicensesSet.php
+++ b/src/MDLicensesSet.php
@@ -1,6 +1,8 @@
 <?PHP
 /**
  * Contains a class of available licenses.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
  */
 
 /**