Serials: Frequency (310)
- Annual
- Bimonthly (every two months)
- Semiweekly (twice a week)
- Daily
- Biweekly (every two weeks)
- Semiannual (twice a year)
- Biennial (every two years)
- Triennial (every three years)
- Three times a week
- Three times a month
- Continuously updated
- Monthly
- Quarterly
- Semimonthly (twice a month)
- Three times a year
- Unknown
- Weekly