Mixed Access logo PLoS transparent clipart about 2 years 2 Lock-red-alt-2 clipart about 2 years 0 Lock-green-clock clipart about 2 years 0 Lock-yellow-alt-3 clipart about 2 years 0 Lock-yellow-alt clipart about 2 years 0 Lock-red-alt clipart about 2 years 0 No-Cloud-Security clipart about 2 years 0 Open Access logo PLoS white green clipart about 2 years 2 Open Access logo PLoS transparent-grey clipart about 2 years 1 HTTPS lock Let's Encrypt clipart over 2 years 0 HTTPS lock Firefox clipart over 2 years 2 Symbol create protect vote clipart over 2 years 5 Locked-silver clipart over 2 years 3