470: public domain (worldwide)

471

472

473: public domain (US), licenses (worldwide)

474: licenses (worldwide)

475

476

477

478

479

480

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483

484

485

486: public domain (worldwide)

487

488: public domain (worldwide)

489: public domain (worldwide)

490

491

492: public domain (worldwide)

493: public domain (US), licenses (worldwide)

494: public domain (worldwide)

495: public domain (US)

496

497

498

499

500: licenses (worldwide)

501

502

503

504

505

506: licenses (worldwide)

507: licenses (worldwide)

508

509

510: licenses (worldwide)

511: permissions (worldwide)

512

513: licenses (worldwide)

514

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519

520: licenses (worldwide)

521

522

523

524

525