Introduction:
To maintain a balance between qualitative reading of historical texts and quantitative memorization of key facts, it is important to have a well-structured study plan. This will allow you to effectively learn and understand the concepts while also retaining important factual information. Here are some strategies you can incorporate into your study plan:

1. Set Clear Goals:
Define your objectives and set clear goals for each study session. This will help you prioritize your time and focus on the areas that require more attention. Determine the specific historical texts you need to read and the key facts you need to memorize.

2. Allocate Time:
Allocate specific time slots for qualitative reading and quantitative memorization in your study plan. Ensure that you dedicate enough time for both activities to maintain a balance. For example, you can allocate a certain portion of your study session for reading historical texts and another portion for reviewing and memorizing key facts.

3. Active Reading:
When engaging in qualitative reading, employ active reading techniques. This includes highlighting important information, taking notes, and summarizing key points. Actively engaging with the text will help you internalize the material and make it easier to recall later.

4. Mind Maps and Diagrams:
Create visual aids such as mind maps and diagrams to help you visually organize and connect the information you are learning. Visual representations can enhance understanding and make it easier to remember key facts. For example, you can create a timeline or flowchart to depict historical events and their significance.

5. Flashcards and Mnemonics:
Utilize flashcards and mnemonic devices to aid in memorization of key facts. Flashcards can be used to test yourself on important dates, names, and events. Mnemonics, such as acronyms or visual associations, can help you remember complex information in a more memorable way.

6. Regular Revision:
Regularly review both your qualitative reading and key facts to reinforce your learning. Schedule regular revision sessions in your study plan to ensure that the information stays fresh in your memory. Spaced repetition, where you review material at increasing intervals over time, can be particularly effective for long-term retention.

7. Practice Tests:
Incorporate practice tests into your study plan to assess your understanding of both qualitative and quantitative aspects. This will help you identify areas where you may need further review or improvement. Practice tests can also simulate exam conditions, allowing you to practice time management and recall of key facts under pressure.

Conclusion:
By incorporating these strategies into your study plan, you can effectively balance qualitative reading of historical texts and quantitative memorization of key facts. Remember to set clear goals, allocate time for each activity, actively engage with the material, use visual aids and mnemonic devices, regularly revise, and practice tests to gauge your progress. With consistent effort and a well-structured study plan, you will be able to achieve a comprehensive understanding of historical subjects while retaining important factual information.