Source: The Great Interpretation of Dreams (Ibn Sirin)
(By analogy with sustenance and money) A salary in a dream indicates regular sustenance and livelihood. Its increase indicates an expansion in sustenance. Its decrease indicates hardship.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
(By analogy) A salary indicates reward for work. Receiving it indicates gaining benefit.
Source: Signs in the Science of Expressions (Ibn Shaheen)
(By analogy) A salary is interpreted as goodness and benefit. Whoever sees himself receiving it will attain goodness.