Source: The Great Interpretation of Dreams (Ibn Sirin)
Treasure in a dream indicates knowledge for the scholar, a position for the ruler, and money for the merchant. If the dreamer is single, he will marry. Finding a treasure indicates vast sustenance or martyrdom in the cause of God. A small treasure is a minor worry.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Treasure indicates pregnancy for a woman. It may indicate collected money. Whoever sees himself finding a treasure will gain knowledge, a child, or money according to the size of the treasure.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Treasure is interpreted as goodness and benefit. Whoever sees himself extracting a treasure will gain money from a ruler or knowledge from a scholar.