- Al-Jibouri, H. W., Miller, P. A. and Robinson, H. F. (1958). Genotypic and environmental variances and co-variances in an upland cotton cross of inter-specific origin. Agronomy Journal, 50: 633-636.
- Allard, R. W. (1960). Principles of Plant Breeding. John Wiley and sons, New York. 485pp.
- Burton, G. W. and DeVane, E. W. (1953). Estimating heritability in tall fescue (Festuca arundiancea) from replicated clonal material. Proejtunniens, 9 (22): 12-15.
- Burton, G. W. (1952). Quantitative Inheritance in Grasses. Proceeding of 6th International Grassland. Cong., 1: 227-283.
- Chadha, S., Sharma, R., Chaudhary D. R. and Vidyasagar. (2008). Genetic variability studies in summer pea under cold desert areas of North-Western Himalayas Agricultural Science Digest, 28 (1): 10-13.
- Dewey, J. R. and Lu, K. H. (1959). Correlation and path analysis of components of crested wheat grass seed production. Agronomy Journal, 51: 515-518.
- Dhama, S. K., Tyagi, N. K. and Singh, P. B. (2010). Interrelationship and path analysis for seed yield and its component characters under eight environments in pea (Pisum sativum L.). Legume Research, 33 (2): 87-94.
- Gomez, K. A. and Gomez, A. A. (1983). Statistical Procedures for Agricultural Research. John Wiley and Sons Inc., New York. pp. 357-427.
- Guleria, S., Chongtham Nirmala and Dua Saroj. (2009). Genetic variability, correlation and path analysis studies in pea (Pisum sativum L.). Crop Research, 38 (1/3): 179-183.
- Johanson, H. W., Robinson, H. F. and Comstock, R. E. (1955). Estimates of genetic and environmental variability in soybean. Agronomy Journal, 47: 314-318.
- Kaur, H., Singh, M. and Brar, P. S. (2007). Correlation and path analysis in garden pea (Pisum sativum L.).Crop Improvement, 34 (2): 186-191.
- Kumar, B. (2008). Variability, heritability and genetic advance in pea (Pisumsativum L.). International Journal of Plant Sciences Muzaffarnagar, 3 (1): 211-212.
- Kumar, D., Kumar, R. and Kumar, S. (1999). Correlation studies for quantitative traits in dwarf and tall types of pea. Annals of Agriculture and Biology Research, 4 (1): 79-81.
- Kumar, D., Malik, B. P. S. and Raj, L. (1998). Genetic variability and correlation studies in field pea (Pisum sativum L.). Legume Research, 21 (1): 23-29.
- Kumar, V. R. A. and Sharma, R.R. (2006). Character association studies in garden pea. Indian Journal of Horticulture, 63 (2): 185-187.
- NHB.(2012). Handbook of Indian Horticulture Database, NHB, Gurgaon.
- Rai, M., Verma, A., Kumar, R. and Vishwanath.(2006). Multivariate genetic analysis of pea (Pisum sativum L.).Vegetable Science,33 (2): 149-154.
- Sharma, A., Sood M., Rana, A. and Singh, Y. (2007).Genetic variability and association studies for green pod yield and component horticultural traits in garden pea under high hill dry temperate conditions.Indian Journal of Horticulture,64 (4): 410-414.
- Shinde, K. G., Lawande, K. E., Patil, B. T. and Nirmal, S. V. (1998). Correlation studies in pea (Pisum sativum L). Advances in Plant Sciences,11 (2): 177-180.
- Singh, A. K. (2007). Interrelationship among characters and path coefficient studies in pea under cold arid region of Ladakh.Indian Journal of Horticulture,64 (1): 98-100.
- Singh, J. D., Kumar, B. and Singh, J. P. (2007). Genetic variability, heritability and character association in dwarf field pea (Pisum sativum L.). Progressive Agriculture,7 (1/2): 102-104.
- Togay, N., Togay, Y., Yildirim, B. and Dogan, Y. (2008). Relationships between yield and some yield components in Pea (Pisum sativum ssp. arvence L.) genotypes by using correlation and path analysis. African Journal of Biotechnology, 7 (23): 4285-4287.
- Vikas and Singh, S. P. (1999).Variability and correlation studies in pea (Pisum sativum L.). Annals of Agriculture and Biology Research,4 (1): 87-91.
- Yadav, R., Srivastava, R. K., Kant, R. and Singh, R. (2009).Studies on genetic divergence in field pea (Pisum sativum L. var. arvence). Legume Research, 32 (2): 121-124.