A Treatise on Differential Equations by A. R. Forsyth. (Book Source: archive.org)

An Introduction To Ordinary Differential Equations by James C. Robinson (Book Source: archive.org)

Differencial Equations by Goursat, Edouard (Book Source: archive.org)

Differencial Equations by Bateman, Harry (Book Source: archive.org)

Metric Spaces by Satish Shirali and Harikishan L. Vasudeva,  Springer Verlag, London, 2006 Search Results 

Topology of Metric Spaces by S. Kumaresan, 2nd Ed., Narosa Publishing House, 2011.

Introduction to Topology and Modern Analysi by G.F. Simmons, McGraw-Hill, 2004. 

Complex Variables and Applications by James Ward Brown and Ruel V. Churchill,  8th Ed., McGraw Hill International Edition, 2009. 

Complex Analysis Undergraduate Texts in Mathematics by Joseph Bak and Donald J. Newman, Springer-Verlag New York, Inc., NewYork, 

S. Ponnusamy, Foundations of complex analysis