Its initial service was a four - issue - per - year publication which functioned as an open forum for the exchange of ideas and the dissemination of news items important to the trade .
A four - issue - per - year publication is the Art Workers Newsletter .
Its initial service was a four - issue - per - year publication , the Art Workers Newsletter , which functioned as an open forum for the exchange of ideas and the dissemination of news items important to the trade .