Superhero 
To dream that you are a superhero indicates that you are gifted and possess wisdom that may be above that of others. You are finally discovering these gifts and should be proud to display them to others.
Librarian
A librarian in a dream is a guide to yourself. A library contains vast information which may represent aspects of yourself or your own knowledge or memories. The librarian in a dream can help you to navigate a search within this information in order to grow and learn from yourself.
Accountant
A dream in which you are an accountant indicates objectivity toward someone or something and shows that you are thoughtfully considering things.
Encyclopedia
To dream of seeing or searching through encyclopedias indicates your quest for wisdom and the appreciation of art. It can be difficult to make money this way, but it fulfills your thirst for knowledge.
Harry Potter
A dream of meeting Harry Potter implies that you have a challenging path ahead of you, but if you follow your heart, you can overcome any obstacle. It is important to find out what makes you special and to draw upon that as a source of power. To dream that you are Harry Potter means that you are already upon this challenging path and will soon meet success. You may also need to rely upon the strength of your friends.
Handkerchiefs
To dream that you are waving goodbye with a handkerchief suggests your impending fall from social stature. Something will happen that will put you in shame.
To dream that you lose your handkerchief indicates that you will become separated from your significant other.
To dream that your handkerchief has been dirtied suggests that you will face long odds of patching things up with your significant other.