Analysis of information sources in references of the Wikipedia article "Index card" in English language version.
it is better to use different sizes of cards to avoid confusing the bibliographic and subject notes with each other.
Keep bibliographical entries on 3 × 5 cards [...] Notes taken from sources should be written in ink or typed on either 5 × 8 cards or sheets of loose-leaf paper.
Many workers do not use cards at all, but make their notes on bibliography and subject-matter on slips or sheets of paper of uniform size. [...] The use of two cabinets of different sizes, one for bibliography cards and one for subject-matter notes, is likely to prove inconvenient.
For all these purposes, experience shows that you must take notes in a uniform manner, on paper or cards of uniform size.
In extensive library studies, however, it usually saves much time and energy to organize the bibliography cards in one system and all other notes in another system, even though both systems use the same headings and cards of the same size.
In extensive library studies, however, it usually saves much time and energy to organize the bibliography cards in one system and all other notes in another system, even though both systems use the same headings and cards of the same size.
it is better to use different sizes of cards to avoid confusing the bibliographic and subject notes with each other.
Keep bibliographical entries on 3 × 5 cards [...] Notes taken from sources should be written in ink or typed on either 5 × 8 cards or sheets of loose-leaf paper.
Many workers do not use cards at all, but make their notes on bibliography and subject-matter on slips or sheets of paper of uniform size. [...] The use of two cabinets of different sizes, one for bibliography cards and one for subject-matter notes, is likely to prove inconvenient.
In extensive library studies, however, it usually saves much time and energy to organize the bibliography cards in one system and all other notes in another system, even though both systems use the same headings and cards of the same size.
For all these purposes, experience shows that you must take notes in a uniform manner, on paper or cards of uniform size.
