Jyotish Aur Vanaspatiyan ज्योतिष और वनस्पतियाँ (Hindi) by Satya Prakash Dwivedi
(Book on plants/trees etc for nakshatra, zodiac signs, grahs etc; ayurvedic, religious and healing relevance of herbs/plants/trees etc)
Also Review
Nakshatra Vibhuti: Ek Drishiti Mein नक्षत्र विभूती … एक दृष्टि में (Hindi) by Vijay Sachdeva
Plants and Trees as per Nakshatras नक्षत्र और उनसे संबंधित पेड़ (भाग 3) Hindi by Vijay Dubey
Personal Panchanga and the Five Sources of light by Komilla Sutton
Panchang: Your Guide to Panchang and What It Foretells by Arijit Roy Chowdhury
Bhrigu Sanhita Kundali Khand (Phalit and Panchang) (Hindi) by Ayodhya Prasad Mishra 1915
Perfect Astrology – Nakshatra : Learning and Predictions by Panchang and Nakshatra by Ram Babu Sao
Principles of Astronomy and Mathematical Astrology by Manoj Kumar
Vedic Nerves Of Astrology (Panchang Divisional charts, D150) by Dhiraj Bakshi
Panchanga – A Brief Overview of Vedic Astrology by Colin R Shearing
Basics of Panchangam by S Narsimha Rao
Panchang Parichay पंचांग परिचय (Hindi) by ShriNath Shah
Panchang Ganitam पंचांग गणितम् (Hindi) by Kalyan Dutt Sharma
Which Panchang to Buy/Use कौन सा पंचांग खरिदें (Hindi) by Prem Shankar Uday Shankar Dave
Kaal Ganana Aur Panchang काल गणना और पंचाग (Hindi) by Sukhvir Singh Gehlot
Indian Chronography – Panchanga by Robert Sewell (1912)
Panchanga Tantra: The Magic of the Indian Calendar System by Regulagedda Akshay