Bihar al-Anwar (Arabic: بِحَار ٱلْأَنْوَار‎, meaning "Seas of Lights") is a comprehensive collection of traditions (ahadith) compiled by Shia scholar Mohammad-Baqer Majlesi (d. 1110/1698), known as Allama Majlisi. It is a hadith collection as the secondary source used beside the four books. Bihar al-Anwar which a compendium of Hadiths, historical subjects and commentaries on many Qur'anic verses, completed between 1106 AH (1694 AD) and 1110 AH (1698 AD).

Bird Parliament is a celebrated Sufi poem, also known as Conference of the Birds, by the 12th century Persian poet Farid ud-Din Attar, is a tale of a journey of a group of thirty birds to the summit of the world mountain, Qaf. An allegory of the Sufi journey to realization of the nature of God, each bird has a particular signficance, a special fault, and a tale to tell.

Rubáiyát of Omar Khayyám is the title that Edward FitzGerald gave to his 1859 translation from Persian to English of a selection of quatrains (rubāʿiyāt) attributed to Omar Khayyam (1048–1131), dubbed "the Astronomer-Poet of Persia".

The Persian poet Sadi, best known for his poetic collections the Bustan and Gulistan, also wrote this work, the Pand Namah, or Scroll of Wisdom. This is a small collection of poems on moral themes.

Al-Ghazali contributed significantly to the development of a systematic view of Sufism and its integration and acceptance in mainstream Islam. As a scholar of orthodox Islam, he belonged to the Shafi'i school of Islamic jurisprudence and to the Asharite school of theology. Al-Ghazali received many titles such as Sharaf-ul-Aʾimma (شرف الأئمة), Zayn-ud-dīn (زين الدين) and Ḥujjat-ul-Islām (حجة الإسلام). He is viewed as the key member of the influential Asharite school of early Muslim philosophy and the most important refuter of the Mutazilites. However, he chose a slightly-different position in comparison with the Asharites. His beliefs and thoughts differ in some aspects from the orthodox Asharite school.

The Golestan (Persian: گُلِستان‎, also transliterated as Gulistân and Gulistan "The Flower Garden") is a landmark of Persian literature, perhaps its single most influential work of prose. Written in 1258 CE, it is one of two major works of the Persian poet Sa'di, considered one of the greatest medieval Persian poets. It is also one of his most popular books, and has proved deeply influential in the West as well as the East. The Golestan is a collection of poems and stories, just as a flower-garden is a collection of flowers. It is widely quoted as a source of wisdom.

The Quran (/kɔːrˈɑːn/ kor-AHN; Arabic: القرآن‎, romanized: al-Qurʼān Arabic pronunciation: [alqur'ʔaːn], literally meaning "the recitation"), also romanized Qur'an or Koran, is the central religious text of Islam, which Muslims believe to be a revelation from God (Allah). It is widely regarded as the finest work in classical Arabic literature. Slightly shorter than the New Testament, it is organized in 114 chapters (Arabic: سورة sūrah, plural سور suwar) — not according to chronology or subject matter, but according to length of surahs (with some exceptions). Surah are subdivided into verses (Arabic: آية āyah, plural آيات āyāt).

The Masnavi, or Masnavi-ye-Ma'navi (Persian: مثنوی معنوی‎), also written Mathnawi, or Mathnavi ("The Spiritual Couplets"), is an extensive poem written in Persian by Jalal al-Din Muhammad Balkhi, also known as Rumi. The Masnavi is one of the most influential works of Sufism, commonly called "the Quran in Persian". It has been viewed by many commentators as the greatest mystical poem in world literature. It is a spiritual text that teaches Sufis how to reach their goal of being truly in love with God.

The Qur’án is the holy book of Islam, believed to be the word of God revealed to the prophet Muhammad by the angel Gabriel. This text matches the 1930 Alfred A. Knopf publication of Muhammad Marmaduke Pickthall’s translation, except that verse numbers have been updated to match the standard verse numbering of today, and transliterations have been updated.

The Quran (/kɔːrˈɑːn/ kor-AHN; Arabic: القرآن‎, romanized: al-Qurʼān Arabic pronunciation: [alqur'ʔaːn], literally meaning "the recitation"), also romanized Qur'an or Koran, is the central religious text of Islam, which Muslims believe to be a revelation from God (Allah). It is widely regarded as the finest work in classical Arabic literature. Slightly shorter than the New Testament, it is organized in 114 chapters (Arabic: سورة sūrah, plural سور suwar) — not according to chronology or subject matter, but according to length of surahs (with some exceptions). Surah are subdivided into verses (Arabic: آية āyah, plural آيات āyāt).

The Quran (/kɔːrˈɑːn/ kor-AHN; Arabic: القرآن‎, romanized: al-Qurʼān Arabic pronunciation: [alqur'ʔaːn], literally meaning "the recitation"), also romanized Qur'an or Koran, is the central religious text of Islam, which Muslims believe to be a revelation from God (Allah). It is widely regarded as the finest work in classical Arabic literature. Slightly shorter than the New Testament, it is organized in 114 chapters (Arabic: سورة sūrah, plural سور suwar) — not according to chronology or subject matter, but according to length of surahs (with some exceptions). Surah are subdivided into verses (Arabic: آية āyah, plural آيات āyāt).

The Shahnameh (Persian: شاهنامه‎, romanized: Šāhnāme pronounced [ʃɒːhnɒːˈme]; lit. ' 'The Book of Kings'') is a long epic poem written by the Persian poet Ferdowsi between c. 977 and 1010 CE and is the national epic of Greater Iran. Consisting of some 50,000 "distichs" or couplets (two-line verses), the Shahnameh is one of the world's longest epic poems.

Majnun Layla (Arabic: مجنون ليلى‎ Majnūn Laylā, 'Layla's Mad Lover'; Persian: لیلی و مجنون‎ Leyli o Majnun) is an old story of Arabic origin, about the 7th-century Najdi Bedouin poet Qays ibn al-Mullawah and his ladylove Layla bint Mahdi (or Layla al-Aamiriya). "The Layla-Majnun theme passed from Arabic to Persian, Turkish, and Indian languages", most famously through the narrative poem composed in 584/1188 by the Persian poet Nizami Ganjavi, as the third part of his Khamsa. It is a popular poem praising their love story.