The amount of scientific researches is increasing steadily. In today's information age, parallel to technological advances, scientific research keeps pace with innovation and development. Recent research in social and humanities sheds light on many innovative approaches and guides. In this study, answers were sought with the help of the document analysis model for answering the "What is the distribution of postgraduate studies on string instruments in Turkey between 1993 and 2019 in terms of years, institute types, permission status, and university variables?" problem statement. With the research, it was intended to determine the frequency and percentage rates of postgraduate studies carried out under the name of "Stringed instruments" in the National Thesis Centre of Higher Education Institution between 1993 and 2019, to obtain answers to "How are the distributions by the university?" "How are the distributions by years?" "How are the distributions by postgraduate thesis type?" and "How is the distribution of the theses made according to the access status?" questions.