Listing newsletters for 2015

#<Newsletter:0x7f9a3ef1e7c8>#<Newsletter:0x7f9a3ef1e750>#<Newsletter:0x7f9a3ef1e610>#<Newsletter:0x7f9a3ef1e4d0>#<Newsletter:0x7f9a3ef1e390>#<Newsletter:0x7f9a3ef1e250>