In academia, research paper assignments are among the most complex ones to handle; there are many types of research papers, each with a different objective, methodology of research and presentation. There are very few students who manage to handle all the projects well without the help of research paper samples or guides for reference. It is needless to say that not everyone can afford to buy samples every time they are asked to prepare a new type of research paper. But that is no reason to worry as there are numerous free sample research papers available on the internet and also in some school and university libraries. All you need to worry about is the quality and suitability of the sample you choose.