From then on his contributions were regular and he was welcomed to the staff in early 1877 .
This was his first contribution and , since he was a newcomer , he was asked for an assurance that he was indeed the author .
From then on newcomer 's contributions were regular and he was welcomed to the staff in early 1877 .
This was his first contribution and , since he was a newcomer , he was asked for an assurance that he was indeed the author .