6. Allayarova N., The Educational Direction and Artistry of 'Sabot ul-Ojizin' by Sufi Allayar: Dissertation of Candidate of Philology. Author's abstract. -Samarkand.: 2002. - p.17-20.;

1. Abdugafurov A., Muhammad Riza Ogahi. -Tashkent.: Meros, 1999.;

2. Abdulhayrov M. Lexical Layers of the style of 'Devoni Munis': Dissertation of Candidate of Philology. Author's abstract. - Tashkent., 1997; pp.108-110.

3. Abdullayev V., About the Carrying On the Tradition of Alisher Navoi by Khorezmian Poets. Shark Yulduzi. -Tashkent, 1959. -¹ 4;

4. Abdullayev V.A., Uzbek Literature in 17-18th centuries in Khorezm: Author's abstract of dissertation of Doctor of Philology. - Samarkand-Baku, 1958;

5. Aliyev A.Yu., Materials on the History of Uzbek Literary Language. -Tashkent., 1983. -pp. 31-39.

7. Atoulloh ughli Jumahodja., National Independence Ideology and Literary Heritage (I accordance with the poetry of the 17th -19th centuries): Dissertation of Doctor of Philology. -Tashkent., 1999.

8. Baratova N., Comparative Evaluation of Works 'Maslak ul-Muttakin' and 'Sabot ul-Ojizin' by Sufi Allayar: Dissertation of Candidate of Philology. Author's abstract. -Samarkand, 2004.

9. Dadabayev H., Hamidov Z., Holmonova Z., History of the Uzbek Literary Language Vocabulary. -Tashkent.: Fan., 2007. -p.118.

10.Djalolov A., The Development Process of the Uzbek Enlightenment Literature. (the 19th - 20th centuries): Dissertation of Doctor of Philology. -Tashkent., 1994;

11.Dolimov S. The life and activity of Ogahi: Dissertation of Candidate of Philology. -Tashkent., 1962.; Sutanova K. 'Gulshani davlat' by Ogahi as a literary source: Dissertation of Candidate of Philology. -Tashkent., 2000. -pp. 94 -108.

12.Ganihadjayev F., 'Ta'viz ul Ashikin' by Ogahi and Its Critique: Dissertation of Doctor of Philology. -Tashkent.,1998;

13.Ibid. The Usage of Direct Speech in 'Zarbulmasal'and Its Types /works of Tashkent Pedagogical Institute named after Nizami -Tashkent, 1959. -pp.87-99, 10, 128, 204-205, 300.;

14.Iskhakov F., "Zarbulmasal' by Gulhani. -Tashkent.: Fan, 1976. - p.126.

15.Jumayev T., The Linguistic Peculiarities of Works 'Umar Bakiy': Dissertation of Candidate of Philology. Author's abstract. - Tashkent., 1998;

16.Kayumov A. 'Literary Aura of Kokand'. Tashkent: Fan, 1961, - p. 369

17.Mahamadaliyev H., 'Giyas ul-Lughat' and Turkic Layer in it: Dissertation of Candidate of Philology. Author's abstract. - Tashkent., 1998;

18.Mamadaliyeva N., Lexical peculiarities of Shajarai Turk' by Abulgazi Bakhodirhan: Dissertation of Candidate of Philology. Author's abstract. - Tashkent., 2004.

19.Matgaziyev A., Morphology of the Uzbek Language in the 19th Century. - Tashkent.: Fan, 1977. -p. 3.

20.Nazarova H., Some Lexical Peculiarities of 'Zarbulmasal', The Problems of the Uzbek Language and Literature -Tashkent, 1959. -¹ 2.- p. 66-71.;

21.Nurmatova M., The Development of Aesthetic Thoughts in Uzbekistan in the 17-19th Centuries (In the example of Uzbek poetess): Dissertation of Candidate of Philosophy. -Tashkent., 1994;

22.Nusratulloh Atoulloh ughli Jumahodja. National Independence Ideology and Literary Heritage (in accordance with the poetry of the 17th -19th centuries): Dissertation of Doctor of Philology. -Tashkent., 1999. - pp. 63-92; 125-149, 236-254;

23.Pirimqulov., Masnavis of Ogahi: Dissertation of Candidate of Philology. Author's abstract. -Tashkent., 1998.

24.Sutanova K., 'Gulshani davlat' by Ogahi as a literary source: Dissertation of Candidate of Philology. -Tashkent., 2000. -pp. 94-108.

25.Tadjibayev M., Lexical Peculiarities of Nodira's Poems / Uzbek Language and Literature. - Tashkent. 2005. -¹ 4. pp. 89-90.

26.Turdibekov M.T., Onomastics of 'Shajarai Turk' by Abulgazi Bakhodirhan: Dissertation of Candidate of Philology. Author's abstract. -Tashkent., 2000;

27.Tursunov U., Urinbayev B., Aliyev A.Yu., History of the Uzbek Literary Language. Textbook. - Tashkent: Ukituvchi, 1995. - p.264;

28.Umarov E., 'Badai-al-Lughat' and 'Sanglah' as a Lexicographical Memorial and Source of Study of Old Uzbek Language in 15-18th Centuries: Author's abstract of Dissertation of Doctor of Philology. - Tashkent., 1989;

29.Zakhidov R., The Vocabulary of 'Sabot ul-Ojizin': Dissertation of Candidate of Philology. Author's abstract. -Tashkent., 2001;