Individual – $235
Individual subscriptions are for personal use only and are not to be used for a library. You must pay by personal check, money order, or credit card, and state that your subscription is for personal use only.
An institutional site license provides online access to PNAS for all physical locations, institution-wide. If you are unsure about your organization's tier, please contact PNAS.
Tier 1 – $535
Entry-level pricing for nonresearch public or agency libraries, primary or secondary schools, nonresearch museums, or private practice offices or clinics (onsite access only)‡
Tier 2 – $1,635
Undergraduate (baccalaureate) and master's colleges/universities, and equivalents
Tier 3 – $3,060
Carnegie Research Intensive institutions and their overseas equivalents (<12,000 relevant FTE§), research libraries, nonresearch/teaching hospitals, small nonprofit/government research institutes (<5 locations¶), small corporations (<1,000 relevant FTE§)
Tier 4 – $4,015
Carnegie Research Extensive institutions and their overseas equivalents (>12,000 relevant FTE§), medical schools, research/teaching/network hospitals, large nonprofit/government research institutes (5 locations¶)
Tier 5 – $5,415
Medium corporations (1,001–3,000 relevant FTE§)
Tier 6 – $9,060
Large corporations (>3,000 relevant FTE§)‡
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