Vol 1, issue 1, issue 2 (JWG-library_1, SI-1, SI-2), issue 3 (JWG-library_2), issue 4 (JWG-library_3), issue 5 (SI)
Vol 2, issue 1, issue 2 (SI), issue 3 (JWG-library_4, SI), issue 4 (SI)
SI: supplementary issue
Vol 1, issue 1, issue 2 (JWG-library_1, SI-1, SI-2), issue 3 (JWG-library_2), issue 4 (JWG-library_3), issue 5 (SI)
Vol 2, issue 1, issue 2 (SI), issue 3 (JWG-library_4, SI), issue 4 (SI)
SI: supplementary issue