Symbols
Buddhism
Symbol
Supreme Being
Book
Buddha (the Enlightened One.)
Born a Hindu Prince as Siddhartha Gautama c.560 BC in Nepal.
(However, he is not actually worshipped as a God, Buddhists follow his teachings.)
Tripataka (three Baskets)
Written in ancient Pali or in Sanskrit, like baskets of food, the three baskets of wisdom should be passed from one person to another.

 
Christianity
Symbol
Supreme Being
Book
God

The Holy Trinity:
God the father,
God the Son, and
God the Holy Ghost .

The Bible
   The Old Testament
   The New Testament.

 
Hinduism
Symbol
Supreme Being
Book
One Supreme Reality - Brahman is everywhere but has no form. It can be represented by male, female or animal. 
Trimurti - 3 gods in one image.
Brahma - the Creator
Vishnu - the Preserver of life.
Shiva - the Destroyer and Regenerator.
The images are an aid to worship and are not worshipped themselves.
The Vedas - these existed in oral form for centuries before they were written down.
The Puranas - long verse stories of Hindu myths, gods, goddess and heroes.
Dharma-Shastra (ancient law and customs)
Upanishads and Bhagavad-Gita (philosophical writings)

 
Islam
Symbol
Supreme Being
Book
 Allah
 Qur'an (Koran)
Includes the Psalms of David, the Torah and the Gospels from the Old Testament.

 
Judaism
Symbol
Supreme Being
Book
The Lord God
Tenakh - the scriptures
24 books divided into three sections.
Torah lists all the Laws given to Moses by God and all the rules for the conduct of everyday living.
Nevi'im has the writings of all the prophets of Judaism.
Ketubin contains all the psalms.

 
Sikhism
Symbol
Supreme Being
Book
 Nam (God)
 Guru Granth Sahib (Revered Book)

Adi Granth (First Book)
Includes some writings from Muslim and Hindu