What does SIN stand for?
SIN stands for "Smithsonian Institution National"
How to abbreviate "Smithsonian Institution National"?
"Smithsonian Institution National" can be abbreviated as SIN
What is the meaning of SIN abbreviation?
The meaning of SIN abbreviation is "Smithsonian Institution National"
What does SIN mean?
SIN as abbreviation means "Smithsonian Institution National"
