Looking into how I am going to create the outfits

My main priority at the moment is me starting to think about the 90's section of the project. I need to find out where I am going to be able to get hold of items for me to be able to create one of the outfits. I have the idea of going into charity shops and looking, but I have the idea for what I am looking for in my head and if I wont be able to find it there I will have to search the Internet. I am going to make sketch on the design ideas I have for the 90's outfit, then I'm going to the do the same for the noughties one.