Complex sentence: Yagana's first collection of poetry was "Nashtar-i-Yaas" which appeared in 1914 when he was 30 years of age and his second collection, "Aayat-i-Wijdani", was published in 1927.
Split into simpler sentences: Yagana's first collection of poetry was "Nashtar-i-Yaas", which appeared in 1914 when he was 30 years of age,. His second collection was "Aayat-i-Wijdani", which was published in 1927.